Editores Springer-Verlag New York Inc.

Cover for Chao Wang · Abstraction Refinement for Large Scale Model Checking - Integrated Circuits and Systems (Hardcover Book) [2006 edition] (2006)

Abstraction Refinement for Large... (2006)

Cover for Gregoire Allaire · Numerical Linear Algebra - Texts in Applied Mathematics (Hardcover Book) (2007)

Numerical Linear Algebra - Texts... (2007)

Gregoire Allaire

Cover for Kee Chaing Chua · Quality of Service in Optical Burst Switched Networks - Optical Networks (Hardcover Book) (2006)

Quality of Service in Optical Bu... (2006)

Kee Chaing Chua

Cover for Eleni Tousidou · Handbook of International Insurance: Between Global Dynamics and Local Contingencies - Huebner International Series on Risk, Insurance and Economic Security (Hardcover Book) [2007 edition] (2007)

Handbook of International Insura... (2007)

Cover for Mario Lefebvre · Applied Stochastic Processes - Universitext (Paperback Book) [2007 edition] (2006)

Applied Stochastic Processes - U... (2006)

Cover for Richard M. Burton · Organization Design: The Evolving State-of-the-Art - Information and Organization Design Series (Hardcover Book) [2006 edition] (2006)

Organization Design: The Evolvin... (2006)

Richard M. Burton

Cover for Therese Encrenaz · Searching for Water in the Universe - Springer Praxis Books (Paperback Book) [2007 edition] (2006)

Searching for Water in the Unive... (2006)

Therese Encrenaz

Cover for Tim Furniss · Praxis Manned Spaceflight Log 1961-2006 - Space Exploration (Paperback Book) [2007 edition] (2007)

Praxis Manned Spaceflight Log 19... (2007)

Cover for David M. Harland · The First Men on the Moon: The Story of Apollo 11 - Springer Praxis Books (Paperback Book) [2007 edition] (2006)

The First Men on the Moon: The S... (2006)

David M. Harland

Cover for Ellis D. Miner · Planetary Ring Systems - Springer Praxis Books (Paperback Book) [2007 edition] (2006)

Planetary Ring Systems - Springe... (2006)

Cover for Robert G. Strom · Hot House: Global Climate Change and the Human Condition (Hardcover Book) (2007)

Hot House: Global Climate Change... (2007)

Robert G. Strom

Cover for Adayabalam Balajee · DNA Repair and Human Disease - Medical Intelligence Unit (Hardcover Book) [2006 edition] (2006)

DNA Repair and Human Disease - M... (2006)

Adayabalam Balajee

Cover for Uday Apte · Managing in the Information Economy: Current Research Issues - Annals of Information Systems (Paperback Book) [2007 edition] (2007)

Managing in the Information Econ... (2007)

Cover for Steven N Archer · Between Dirt and Discussion: Methods, Methodology and Interpretation in Historical Archaeology (Hardcover Book) [2006 edition] (2006)

Between Dirt and Discussion: Met... (2006)

Steven N Archer

Cover for Stephan Dempe · Optimization with Multivalued Mappings: Theory, Applications and Algorithms - Springer Optimization and Its Applications (Hardcover Book) [2006 edition] (2006)

Optimization with Multivalued Ma... (2006)

Cover for Ilias Maglogiannis · Artificial Intelligence Applications and Innovations: 3rd Ifip Conference on Artificial Intelligence Applications and Innovations (Aiai), 2006, June 7-9, 2006, Athens, Greece - Ifip Advances in Information and Communication Technology (Hardcover Book) (2006)

Artificial Intelligence Applicat... (2006)

Ilias Maglogiannis

Cover for Ernesto Damiani · Open Source Systems: IFIP Working Group 2.13 Foundation on Open Source Software, June 8-10, 2006, Como, Italy - IFIP Advances in Information and Communication Technology (Hardcover Book) [2006 edition] (2006)

Open Source Systems: IFIP Workin... (2006)

Ernesto Damiani

Cover for David F. Parkhurst · Introduction to Applied Mathematics for Environmental Science (Hardcover Book) [2006 edition] (2006)

Introduction to Applied Mathemat... (2006)

David F. Parkhurst

Cover for C. H. Vanderwolf · The Evolving Brain: The Mind and the Neural Control of Behavior (Hardcover Book) [2007 edition] (2006)

The Evolving Brain: The Mind and... (2006)

C. H. Vanderwolf

Cover for Pierre-Marie Robitaille · Ultra High Field Magnetic Resonance Imaging - Biological Magnetic Resonance (Hardcover Book) [2006 edition] (2006)

Ultra High Field Magnetic Resona... (2006)

Pierre-Marie Robitaille

Cover for Ajith H Perera · Forest Landscape Ecology: Transferring Knowledge to Practice (Hardcover Book) [2006 edition] (2006)

Forest Landscape Ecology: Transf... (2006)

Cover for A H Perera · Forest Landscape Ecology: Transferring Knowledge to Practice (Paperback Book) [New edition] (2007)

Forest Landscape Ecology: Transf... (2007)

Cover for Achille a Lemmi · Fuzzy Set Approach to Multidimensional Poverty Measurement - Economic Studies in Inequality, Social Exclusion and Well-Being (Hardcover Book) [2006 edition] (2006)

Fuzzy Set Approach to Multidimen... (2006)

Achille a Lemmi

Cover for Anheier, Helmut K, Professor · Innovation in Strategic Philanthropy: Local and Global Perspectives - Nonprofit and Civil Society Studies (Hardcover Book) [2007 edition] (2006)

Innovation in Strategic Philanth... (2006)

Anheier, Helmut K, Professor

Cover for Evangelos Triantaphyllou · Data Mining and Knowledge Discovery Approaches Based on Rule Induction Techniques - Massive Computing (Hardcover Book) [2006 edition] (2006)

Data Mining and Knowledge Discov... (2006)

Evangelos Triantaphyllou

Cover for A Min Tjoa · Research and Practical Issues of Enterprise Information Systems: IFIP TC 8 International Conference on Research and Practical Issues of Enterprise Information Systems (CONFENIS 2006) April 24-26, 2006, Vienna, Austria - IFIP Advances in Information and Co (Hardcover Book) [2006 edition] (2006)

Research and Practical Issues of... (2006)

Cover for Ulrich Flegel · Privacy-Respecting Intrusion Detection - Advances in Information Security (Hardcover Book) [2007 edition] (2007)

Privacy-Respecting Intrusion Det... (2007)

Cover for Patricia a Ganz · Cancer Survivorship: Today and Tomorrow (Paperback Book) [2007 edition] (2007)

Cancer Survivorship: Today and T... (2007)

Patricia a Ganz

Cover for Kesheng Wang · Knowledge Enterprise: Intelligent Strategies in Product Design, Manufacturing, and Management: Proceedings of PROLAMAT 2006, IFIP TC5, International Conference, June 15-17 2006, Shanghai, China - IFIP Advances in Information and Communication Technology (Hardcover Book) [2006 edition] (2006)

Knowledge Enterprise: Intelligen... (2006)

Cover for Brian Donnellan · The Transfer and Diffusion of Information Technology for Organizational Resilience: IFIP TC8 WG 8.6 International Working Conference, June 7-10, 2006, Galway, Ireland - IFIP Advances in Information and Communication Technology (Hardcover Book) [2006 edition] (2006)

The Transfer and Diffusion of In... (2006)

Brian Donnellan

Cover for Osman Guler · Foundations of Optimization - Graduate Texts in Mathematics (Hardcover Book) [2010 edition] (2010)

Foundations of Optimization - Gr... (2010)

Cover for David Lovelock · An Introduction to the Mathematics of Money: Saving and Investing - Texts in Applied Mathematics (Hardcover Book) (2006)

An Introduction to the Mathemati... (2006)

Cover for Said S.E.H. Elnashaie · Numerical Techniques for Chemical and Biological Engineers Using MATLAB (R): A Simple Bifurcation Approach (Hardcover Book) (2006)

Numerical Techniques for Chemica... (2006)

Said S.E.H. Elnashaie

Cover for Masaki Yoshio · Lithium-Ion Batteries: Science and Technologies (Hardcover Book) [2009 edition] (2009)

Lithium-Ion Batteries: Science a... (2009)

Cover for Reinhart Poprawe · High Power Diode Lasers: Technology and Applications - Springer Series in Optical Sciences (Hardcover Book) [2007 edition] (2007)

High Power Diode Lasers: Technol... (2007)

Reinhart Poprawe

Cover for L D Britt · Acute Care Surgery: Principles and Practice (Hardcover Book) [2007 edition] (2007)

Acute Care Surgery: Principles a... (2007)

Cover for Tomokazu Kogure · The Astrophysics of Emission-Line Stars - Astrophysics and Space Science Library (Hardcover Book) [2007 edition] (2007)

The Astrophysics of Emission-Lin... (2007)

Tomokazu Kogure

Cover for David Arditti · Setting-Up a Small Observatory: From Concept to Construction - The Patrick Moore Practical Astronomy Series (Paperback Book) [2008 edition] (2007)

Setting-Up a Small Observatory: ... (2007)

Cover for Arun C Bose · Inorganic Membranes for Energy and Environmental Applications (Hardcover Book) [2009 edition] (2008)

Inorganic Membranes for Energy a... (2008)

Cover for Frank Eisenhaber · Discovering Biomolecular Mechanisms with Computational Biology - Molecular Biology Intelligence Unit (Hardcover Book) [2006 edition] (2006)

Discovering Biomolecular Mechani... (2006)

Frank Eisenhaber

Cover for Tiziano Villa · The Unknown Component Problem: Theory and Applications (Hardcover Book) (2011)

The Unknown Component Problem: T... (2011)

Cover for Christopher G. Small · Functional Equations and How to Solve Them - Problem Books in Mathematics (Hardcover Book) (2006)

Functional Equations and How to ... (2006)

Christopher G. Small

Cover for Christopher G. Small · Functional Equations and How to Solve Them - Problem Books in Mathematics (Paperback Book) [2007 edition] (2007)

Functional Equations and How to ... (2007)

Christopher G. Small

Cover for Francis, George K. (University of Illinois at Urbana-champaign) · A Topological Picturebook (Paperback Book) [1st Ed 1987. 2nd Printing 2006 edition] (2006)

1st Ed 1987. 2nd Printing 2006 edition

A Topological Picturebook (2006)

Francis, George K. (University o...

Cover for Joeran Friberg · A Remarkable Collection of Babylonian Mathematical Texts: Manuscripts in the Schoyen Collection: Cuneiform Texts I - Sources and Studies in the History of Mathematics and Physical Sciences (Hardcover Book) [2007 edition] (2007)

A Remarkable Collection of Babyl... (2007)

Cover for David M. Levermore · Enterprise Collaboration: On-Demand Information Exchange for Extended Enterprises - Integrated Series in Information Systems (Hardcover Book) [2006 edition] (2006)

Enterprise Collaboration: On-Dem... (2006)

David M. Levermore

Cover for Patrick Mcconnell · Methods of Microarray Data Analysis V (Hardcover Book) [2007 edition] (2006)

Methods of Microarray Data Analy... (2006)

Patrick Mcconnell

Cover for Lisa Gould · Lemurs: Ecology and Adaptation - Developments in Primatology: Progress and Prospects (Hardcover Book) [2007 edition] (2006)

Lemurs: Ecology and Adaptation -... (2006)

Cover for Eileen Trauth · Social Inclusion: Societal and Organizational Implications for Information Systems: IFIP TC8 WG 8.2 International Working Conference, July 12-15, 2006, Limerick, Ireland - IFIP Advances in Information and Communication Technology (Hardcover Book) [2006 edition] (2006)

Social Inclusion: Societal and O... (2006)

Cover for L. Jean Camp · Economics of Identity Theft: Avoidance, Causes and Possible Cures (Hardcover Book) [2007 edition] (2007)

Economics of Identity Theft: Avo... (2007)

Cover for Steven L. Hoenig · Compendium of Chemical Warfare Agents (Hardcover Book) [2007 edition] (2006)

Compendium of Chemical Warfare A... (2006)

Steven L. Hoenig

Cover for Joe Turner · Education for the 21st Century - Impact of ICT and Digital Resources: IFIP 19th World Computer Congress, TC-3 Education, August 21-24, 2006, Santiago, Chile - IFIP Advances in Information and Communication Technology (Hardcover Book) [19th 2006 edition] (2006)

19th 2006 edition

Education for the 21st Century -... (2006)

Cover for David Avison · The Past and Future of Information Systems, 1976 -2006 and Beyond: Ifip 19th World Computer Congress, Tc-8 Information System Stream, August 21-23, 2006, Santiago, Chile - Ifip Advances in Information and Communication Technology (Hardcover Book) (2006)

The Past and Future of Informati... (2006)

Cover for Yi Pan · Biologically Inspired Cooperative Computing: Ifip 19th World Computer Congress, Tc 10: 1st Ifip International Conference on Biologically Inspired Cooperative Computing, August 21-24, 2006, Santiago, Chile - Ifip Advances in Information and Communication T (Hardcover Book) (2006)

Biologically Inspired Cooperativ... (2006)

Cover for Gonzalo Navarro · Fourth Ifip International Conference on Theoretical Computer Science - Tcs 2006: Ifip 19th World Computer Congress, Tc-1, Foundations of Computer Science, August 23-24, 2006, Santiago, Chile - Ifip Advances in Information and Communication Technology (Hardcover Book) (2006)

Fourth Ifip International Confer... (2006)

Gonzalo Navarro

Cover for Guy Pujolle · Mobile and Wireless Communication Networks: Ifip 19th World Computer Congress, Tc-6, 8th Ifip / Ieee Conference on Mobile and Wireless Communications Networks, August 20-25, 2006, Santiago, Chile - Ifip Advances in Information and Communication Technology (Hardcover Book) (2006)

Mobile and Wireless Communicatio... (2006)

Cover for John Impagliazzo · History of Computing and Education 2 (HCE2): IFIP 19th World Computer Congress, WG 9.7, TC 9: History of Computing, Proceedings of the Second Conference on the History of Computing and Education, August 21-24, Santiago, Chile - IFIP Advances in Informatio (Hardcover Book) [19th 2006 edition] (2006)

19th 2006 edition

History of Computing and Educati... (2006)

John Impagliazzo

Cover for Max Bramer · Artificial Intelligence in Theory and Practice: Ifip 19th World Computer Congress, Tc-12 Ifip Ai 2006 Stream, August 21-24, 2006, Santiago, Chile - Ifip Advances in Information and Communication Technology (Hardcover Book) (2006)

Artificial Intelligence in Theor... (2006)

Cover for John Debenham · Professional Practice in Artificial Intelligence: Ifip 19th World Computer Congress, Tc-12 Professional Practice Stream, August 21-24, 2006, Santiago, Chile - Ifip Advances in Information and Communication Technology (Hardcover Book) (2006)

Professional Practice in Artific... (2006)

Cover for Marvin K. Simon · Probability Distributions Involving Gaussian Random Variables: A Handbook for Engineers and Scientists (Paperback Book) [1st ed. 2002. 2nd printing 2006 edition] (2006)

1st ed. 2002. 2nd printing 2006 edition

Probability Distributions Involv... (2006)

Marvin K. Simon

Cover for Ian P Grant · Relativistic Quantum Theory of Atoms and Molecules: Theory and Computation - Springer Series on Atomic, Optical, and Plasma Physics (Hardcover Book) [2007 edition] (2006)

Relativistic Quantum Theory of A... (2006)

Cover for Eckehard Fozzy Moritz · Engineering of Sport 6: Volume 2: Developments for Disciplines (Hardcover Book) [2006 edition] (2006)

Engineering of Sport 6: Volume 2... (2006)

Eckehard Fozzy Moritz

Cover for Georg Heinz Hoffstaetter · High Energy Polarized Proton Beams: A Modern View - Springer Tracts in Modern Physics (Hardcover Book) [2006 edition] (2006)

High Energy Polarized Proton Bea... (2006)

Georg Heinz Hoffstaetter

Cover for Eckehard Fozzy Moritz · The Engineering of Sport 6: Volume 3: Developments for Innovation (Hardcover Book) [2006 edition] (2006)

The Engineering of Sport 6: Volu... (2006)

Eckehard Fozzy Moritz

Cover for Bing Zhou · Nanotechnology in Catalysis 3 - Nanostructure Science and Technology (Hardcover Book) [2007 edition] (2006)

Nanotechnology in Catalysis 3 - ... (2006)

Cover for Edwin R Wallace · History of Psychiatry and Medical Psychology: With an Epilogue on Psychiatry and the Mind-Body Relation (Hardcover Book) [2008 edition] (2008)

History of Psychiatry and Medica... (2008)

Edwin R Wallace

Cover for Sharon Gursky · Primate Anti-Predator Strategies - Developments in Primatology: Progress and Prospects (Hardcover Book) [2007 edition] (2006)

Primate Anti-Predator Strategies... (2006)

Cover for Peter D Katsikis · Crossroads between Innate and Adaptive Immunity - Advances in Experimental Medicine and Biology (Hardcover Book) [2007 edition] (2006)

Crossroads between Innate and Ad... (2006)

Peter D Katsikis

Cover for Robert C Roach · Hypoxia and Exercise - Advances in Experimental Medicine and Biology (Hardcover Book) [2007 edition] (2006)

Hypoxia and Exercise - Advances ... (2006)

Cover for Dominique Gaiti · Network Control and Engineering for Qos, Security and Mobility: Ifip 19th World Computer Congress,tc-6, 5th Ifip International Conference on Network Control and Engineering for Qos, Security, and Mobility, August 20-25, 2006, Santiago, Chile - Ifip Advanc (Hardcover Book) (2006)

Network Control and Engineering ... (2006)

Dominique Gaiti

Cover for Gruia-catalin Roman · Advanced Software Engineering, Expanding the Frontiers of Software Technology: Ifip 19th World Computer Congress, First International Workshop on Advanced Software Engineering, August 25, 2006, Santiago, Chile - Ifip Advances in Information and Communicat (Hardcover Book) (2006)

Advanced Software Engineering, E... (2006)

Gruia-catalin Roman

Cover for Anastasios a Tsonis · Nonlinear Dynamics in Geosciences (Hardcover Book) [2007 edition] (2007)

Nonlinear Dynamics in Geosciences (2007)

Anastasios a Tsonis

Cover for J. Mendelsohn · Breast Cancer - MD Anderson Cancer Care Series (Paperback Book) [2nd ed. 2008 edition] (2007)

2nd ed. 2008 edition

Breast Cancer - MD Anderson Canc... (2007)

Cover for J Robert Schrieffer · Handbook of High -Temperature Superconductivity: Theory and Experiment (Hardcover Book) [2007 edition] (2007)

Handbook of High -Temperature Su... (2007)

J Robert Schrieffer

Cover for Jeffrey Groah · Shock Wave Interactions in General Relativity: A Locally Inertial Glimm Scheme for Spherically Symmetric Spacetimes - Springer Monographs in Mathematics (Hardcover Book) [2007 edition] (2006)

Shock Wave Interactions in Gener... (2006)

Cover for Chjan Lim · Vorticity, Statistical Mechanics, and Monte Carlo Simulation - Springer Monographs in Mathematics (Hardcover Book) [2007 edition] (2006)

Vorticity, Statistical Mechanics... (2006)

Cover for Sangram S Sisodia · Alzheimer's Disease: Advances in Genetics, Molecular and Cellular Biology (Hardcover Book) [2007 edition] (2006)

Alzheimer's Disease: Advances in... (2006)

Sangram S Sisodia

Cover for Jean-pierre Saint-jeannet · Neural Crest Induction and Differentiation - Advances in Experimental Medicine and Biology (Hardcover Book) [2006 edition] (2006)

Neural Crest Induction and Diffe... (2006)

Jean-pierre Saint-jeannet

Cover for Jon Legarda · Feedforward Amplifiers for Wideband Communication Systems (Hardcover Book) [2006 edition] (2006)

Feedforward Amplifiers for Wideb... (2006)

Cover for William I. Dorfman · First Responder's Guide to Abnormal Psychology: Applications for Police, Firefighters and Rescue Personnel (Paperback Book) [2007 edition] (2007)

First Responder's Guide to Abnor... (2007)

William I. Dorfman

Cover for Patricia Furer · Treating Health Anxiety and Fear of Death: A Practitioner's Guide - Series in Anxiety and Related Disorders (Hardcover Book) [2007 edition] (2006)

Treating Health Anxiety and Fear... (2006)

Cover for Cinzia Daraio · Advanced Robust and Nonparametric Methods in Efficiency Analysis: Methodology and Applications - Studies in Productivity and Efficiency (Hardcover Book) [2007 edition] (2007)

Advanced Robust and Nonparametri... (2007)

Cover for Titu Andreescu · Quadratic Diophantine Equations - Developments in Mathematics (Hardcover Book) [2015 edition] (2015)

Quadratic Diophantine Equations ... (2015)

Cover for Bernd F. Heidergott · Max-Plus Linear Stochastic Systems and Perturbation Analysis - The International Series on Discrete Event Dynamic Systems (Hardcover Book) [2007 edition] (2006)

Max-Plus Linear Stochastic Syste... (2006)

Bernd F. Heidergott

Cover for Erich L. Lehmann · Nonparametrics: Statistical Methods Based on Ranks (Paperback Book) [1st ed. 1975. Revised edition 2006 edition] (2006)

1st ed. 1975. Revised edition 2006 edition

Nonparametrics: Statistical Meth... (2006)

Erich L. Lehmann

Cover for Martin Mobberley · Supernovae: and How to Observe Them - Astronomers' Observing Guides (Paperback Book) [2007 edition] (2007)

Supernovae: and How to Observe T... (2007)

Martin Mobberley

Cover for Claire Smith · Digging It Up Down Under: A Practical Guide to Doing Archaeology in Australia - World Archaeological Congress Cultural Heritage Manual Series (Hardcover Book) [2007 edition] (2006)

Digging It Up Down Under: A Prac... (2006)

Cover for Cauligi S Raghavendra · Wireless Sensor Networks (Paperback Book) [1st ed. 2004. 3rd printing 2006 edition] (2006)

1st ed. 2004. 3rd printing 2006 edition

Wireless Sensor Networks (2006)

Cauligi S Raghavendra

Cover for Jari-Pascal Curty · Design and Optimization of Passive UHF RFID Systems (Hardcover Book) [2007 edition] (2006)

Design and Optimization of Passi... (2006)

Jari-Pascal Curty

Cover for Cardiac PET and PET/CT Imaging (Hardcover Book) [2007 edition] (2007)

Cardiac PET and PET/CT Imaging (2007)

Cover for Alan Desbonnet · Science of Ecosystem-based Management: Narragansett Bay in the 21st Century - Springer Series on Environmental Management (Hardcover Book) [2008 edition] (2008)

Science of Ecosystem-based Manag... (2008)

Cover for Lawrence Walker · Linking Restoration and Ecological Succession - Springer Series on Environmental Management (Hardcover Book) [2007 edition] (2007)

Linking Restoration and Ecologic... (2007)

Lawrence Walker

Cover for George Ware · Reviews of Environmental Contamination and Toxicology 189 - Reviews of Environmental Contamination and Toxicology (Hardcover Book) [2007 edition] (2006)

Reviews of Environmental Contami... (2006)

Cover for Philip J. Candilis · Forensic Ethics and the Expert Witness (Hardcover Book) [2007 edition] (2007)

Forensic Ethics and the Expert W... (2007)

Philip J. Candilis

Cover for Grigorii A. Margulis · Wisdom, Knowledge, and Management:: A Critique and Analysis of Churchman's Systems Approach - C. West Churchman's Legacy and Related Works (Hardcover Book) [2006 edition] (2006)

Wisdom, Knowledge, and Managemen... (2006)

Grigorii A. Margulis

Cover for Vladan Devedzic · Semantic Web and Education - Integrated Series in Information Systems (Hardcover Book) [2006 edition] (2006)

Semantic Web and Education - Int... (2006)

Vladan Devedzic

Cover for Ruben A. Martinez-Avendano · An Introduction to Operators on the Hardy-Hilbert Space - Graduate Texts in Mathematics (Hardcover Book) [2007 edition] (2006)

An Introduction to Operators on ... (2006)

Ruben A. Martinez-Avendano

Cover for Gabriel Tojo · Oxidation of Primary Alcohols to Carboxylic Acids: A Guide to Current Common Practice - Basic Reactions in Organic Synthesis (Hardcover Book) [2007 edition] (2006)

Oxidation of Primary Alcohols to... (2006)

Cover for Oliver Yu · Technology Portfolio Planning and Management: Practical Concepts and Tools - International Series in Operations Research & Management Science (Hardcover Book) [2006 edition] (2006)

Technology Portfolio Planning an... (2006)

Cover for Carole L Bassett · Regulation of Gene Expression in Plants: The Role of Transcript Structure and Processing (Hardcover Book) [2007 edition] (2007)

Regulation of Gene Expression in... (2007)

Carole L Bassett