Person
Dr. Mathias Uslar
Research and Developement Division
Energie / Interoperabilität in der Energieversorgung
Responsibility
Room
U01
Phone
+49 441 9722-128
Address
OFFIS, Gebäude Industriestrasse 6
mathias.uslar [ A T ] 
offis.de
Publications
Title
Automation for the Smart Grid: IEC 61850 - Substation Automation and DER Communication
booktitle
Standardization in Smart Grids: Introduction to IT-Related Methodologies, Architectures and Standards
Year
2013
Title
Standardization in Smart Grids
booktitle
Standardization in Smart Grids: Introduction to IT-Related Methodologies, Architectures and Standards
Alle Autoren
Uslar, Mathias; Specht, Michael; Dänekas, Christian; Trefke, Jörn; Rohjans, Sebastian; Gonzalez, Jose; Rosinger, Christine; Bleiker, Robert
Year
2013
Title
An Overview on Recommendations for a Technical Smart Grid Infrastructure
booktitle
Security and Privacy in Smart Grids
Alle Autoren
Beenken, Petra; Bleiker, Robert; Gonzalez, Jose; Rohjans, Sebastian; Specht, Michael; Trefke, Jörn; Uslar, Mathias
Year
2013
Title
The Common Information Model CIM: IEC 61968/61970 and 62325
booktitle
The Common Information Model CIM: IEC 61968/61970 and 62325 - A practical introduction to the CIM
Alle Autoren
Uslar, Mathias; Specht, Michael; Rohjans, Sebastian; Trefke, Jörn; Gonzalez, Jose
Year
2012
Title
Supporting Interoperability in Smart Grids
Title of Conference
6th International Conference on Interoperability for Enterprise Systems and Applications I-ESA'12
Alle Autoren
González V., José M.;Dänekas, Christian;Trefke, Jörn;Uslar, Mathias
Year
2012
Title
Towards Semantic Service Integration for Automation in Smart Grids
booktitle
International Journal of Distributed Energy Resources
Alle Autoren
Rohjans, Sebastian; Uslar, Mathias; Specht, Michael; Nieße, Astrid; Tröschel, Martin
Year
2012
Title
An Application of Multiperspective Service Management in Virtual Power Plants
booktitle
Communication and Networking in Smart Grids
Alle Autoren
Postina, Matthias; Rohjans, Sebastian; Specht, Michael; Steffens, Ulrike; Trefke, Jörn; Uslar, Mathias
Year
2012
Title
Market-Based Self-Organized Provision of Active Power and Ancillary Services
Title of Conference
IEEE Workshop on Complexity in Engineering
Alle Autoren
Nieße, Astrid; Lehnhoff, Sebastian; Tröschel, Martin; Uslar, Mathias; Wissing, Carsten; Appelrath, H.-Jürgen; Sonnenschein, Michael
Year
2012
Title
Dezentrale und selbstorganisierte Koordination in Smart Grids
Title of Conference
VDE-Kongress 2012 Smart Grid Intelligente Energieversorgung der Zukunft
Alle Autoren
Sonnenschein, M.; Appelrath, H.-J.; Hofmann, L.; Kurrat, M.; Lehnhoff, S.; Mayer, C.; Mertens, A.; Uslar, M.; Nieße, A.; Tröschel, M.
Year
2012
Title
Smart Grid-IT-Architekturen: Stand und Ausblick
booktitle
IT-Architekturentwicklung im Smart Grid - Perspektiven für eine sichere markt- und standardbasierte Integration erneuerbarer Energie
Alle Autoren
Beenken, Petra; Uslar, Mathias
Year
2012
Title
Betrachtung internationaler Standards im Rahmen der Referenzarchitektur
booktitle
IT-Architekturentwicklung im Smart Grid - Perspektiven für eine sichere markt- und standardbasierte Integration erneuerbarer Energie
Alle Autoren
Uslar, Mathias; Specht, Michael; Bleiker, Robert
Year
2012
Title
IT-Architekturentwicklung im Smart Grid
Alle Autoren
Appelrath, H.-J.; Beenken, P.; Bischofs, L.; Uslar, M. (Hrsg.)
Year
2012
Title
Technical Requirements for DER Integration Architectures
Alle Autoren
Uslar, Mathias; Rohjans, Sebastian; Specht, Michael
Year
2012
Title
OPC Unified Architecture: A Service-Oriented Architecture for Smart Grids
Title of Conference
ICSE 2012 International Workshop on Software Engineering Challenges for the Smart Grid
Alle Autoren
Lehnhoff, Sebastian; Rohjans, Sebastian; Uslar, Mathias; Mahnke, Wolfgang
Year
2012
Title
Standardisation Management with Use Cases
Title of Conference
IEEE International Energy Conference & Exhibition EnergyCon 2012
Alle Autoren
Trefke, Jörn; González Vázquez, José Manuel; Uslar, Mathias
Year
2012
Title
Requirements for Smart Grid ICT Architectures
Title of Conference
3rd IEEE PES Innovative Smart Grid Technologies (ISGT) Europe Conference
Alle Autoren
Rohjans, Sebastian; Dänekas, Christian; Uslar, Mathias
Year
2012
Title
Hybrid Grids: ICT-based Integration of Electric Power and Gas Grids - A Standards Perspective
Title of Conference
3rd IEEE PES Innovative Smart Grid Technologies (ISGT) Europe Conference
Alle Autoren
Uslar, Mathias; Andren, Filip; Mahnke, Wolfgang; Rohjans, Sebastian; Stifter, Matthias; Strasser, Thomas
Year
2012
Title
SeMo-TS: Testing OPC UA Server Models in Simulated Environments
Title of Conference
38th Annual Conference of the IEEE Industrial Electronics Society (IECON2012)
Alle Autoren
Rohjans, Sebastian; Uslar, Mathias; Lehnhoff, Sebastian; Rusinov, Plamen M.
Year
2012
Title
Energieinformationsnetze und -systeme - Teil A – Verteilungsnetzautomatisierung im Smart Grid
Alle Autoren
Benze, J.; Blechinger, T.; Diedrich, C.; Hänchen, H.; Honecker, H.; Hübner, C.; Khattabi, M.; Kießling, A.; Krings, H.; Lehnert, R.; Lehnhoff, S.; Reinhardt, A.; Rohjans, S.; Stein, E.; Steinmetz, R.; Tretter, R.; Uslar, M.
Year
2012
Title
Reputationssysteme für selbstorganisierte Multi-Agenten-Systeme in Energiemanagementsystemen
Title of Conference
VDE-Kongress 2012
Alle Autoren
Rosinger, Christine; Uslar, Mathias; Hockmann, Florian
Year
2012
Title
Das Standardisierungsumfeld im Smart Grid - Roadmap und Outlook
booktitle
e&i Elektrotechnik und Informationstechnik
Alle Autoren
Uslar, Mathias; Rohjans, Sebastian; Specht, Michael; González, José M.; Trefke, Jörn
Year
2011
Title
Coping with Smart Grid
booktitle
Enterprise Interoperability - Proceedings of the Workshops of the third International IFIP Working Conference IWEI 2011
Title of Conference
Third International IFIP Working Conference IWEI 2011
Alle Autoren
Postina, Matthias; Uslar, Mathias; Rohjans, Sebastian;Steffens, Ulrike
Year
2011
Title
IEC 61850 based OPC UA Communication
Title of Conference
17th international Power Systems Computation Conference
Alle Autoren
Lehnhoff, Sebastian; Mahnke, Wolfgang; Rohjans, Sebastian; Uslar, Mathias
Year
2011
Title
Towards an Adaptive Maturity Model for Smart Grids
Title of Conference
17th international Power Systems Computation Conference
Alle Autoren
Rohjans, Sebastian; Uslar, Mathias; Cleven, Anne; Winter, Robert; Wortmann, Felix
Year
2011
Title
New Applications of the Common Information Model
Title of Conference
International Symposium - The Electric Power System of the Future
Alle Autoren
Rohjans, Sebastian; Uslar, Mathias; Piech, Klaus; Cabadi, Jean-Francois; Santodomingo, Rafael
Year
2011
Title
CIMbaT - Automated Generation of CIM-based OPC UA-Address Spaces
booktitle
2011 Second IEEE International Conference on Smart Grid Communications
Title of Conference
2011 Second IEEE International Conference on Smart Grid Communications
Alle Autoren
Rohjans, Sebastian; Piech, Klaus; Uslar, Mathias; Cabadi, Jean-Francois
Year
2011
Title
Towards the Automatic Alignment of CIM and SCL Ontologies
booktitle
2011 Second IEEE International Conference on Smart Grid Communications
Title of Conference
2011 Second IEEE International Conference on Smart Grid Communications
Alle Autoren
Santodomingo, Rafael; Rodríguez-Mondéjar, José Antonio; Sanz-Bobi, Miguel Ángel; Rohjans, Sebastian; Uslar, Mathias
Year
2011
Title
Smart Integration of Electric Vehicles
Title of Conference
OTTI - Smart Grid & E-Mobility 2011
Alle Autoren
Nieße, Astrid; Lehnhoff, Sebastian; Tröschel, Martin; Uslar, Mathias
Year
2011
Title
An Ontology-Based Method to Construct a Reference Model Catalogue for the Energy Sector
booktitle
Semantic Technologies for Business and Information Systems Engineering: Concepts and Applications
Alle Autoren
González V., José M.; Uslar, Mathias
Year
2011
Title
Definition von Use Cases in der Normung
booktitle
Internationaler ETG-Kongress 2011
Title of Conference
Internationaler ETG-Kongress 2011
Alle Autoren
Kellendonk, Peter; Kießling, Andreas; Uslar, Mathias; Trefke, Jörn; Gonzalez, Jose M.; Stein, Johannes
Year
2011
Title
Die deutsche Normungsroadmap E-Energy/Smart Grid
Alle Autoren
Stein, Johannes; Die deutsche Normungsroadmap E-Energy/Smart Grid
Year
2010
Title
Towards a standard compliant Smart Grid through Semantic Web Technologies concerning interoperability, security and SOA
Title of Conference
PowerGRID Europe 2010
Year
2010
Title
OPC UA and CIM: Semantics for the smart grid
Title of Conference
Transmission and Distribution Conference and Exposition, 2010 IEEE PES
Year
2010
Title
Marktübersicht Kommunikation/Steuerung
Alle Autoren
Arnold, Gunter; Bülo, Thorsten; Degner, Thomas; Markus Landau, Markus; Mayer, Christoph; Nauck, Enrico; Bukvic-Schäfer, Sasa; Schütte, Steffen; Uslar, Mathias; Weidelt, Tobias
Year
2010
Title
IKT – Integration für Elektromobilität in einem zukünftigen Smart Grid
Title of Conference
VDE Kongress 2010
Alle Autoren
Mayer, Christoph; Uslar, Mathias; Suding, Thomas; Weidelt, Tobias
Year
2010
Title
Transition Paths Towards a Smarter Electric Grid
Title of Conference
13th German-Japanese Symposium
Alle Autoren
Mayer, Christoph; Uslar, Mathias
Year
2010
Title
Views on Service Oriented Architectures in the Context of Smart Grids
booktitle
2010 First IEEE International Conference on Smart Grid Communications
Title of Conference
2010 First IEEE International Conference on Smart Grid Communications
Alle Autoren
Postina, Matthias; Rohjans, Sebastian; Steffens, Ulrike; Uslar, Mathias
Year
2010
Title
Survey of Smart Grid Standardization Studies and Recommendations
booktitle
2010 First IEEE International Conference on Smart Grid Communications
Title of Conference
2010 First IEEE International Conference on Smart Grid Communications
Year
2010
Title
What is the CIM lacking?
Title of Conference
Innovative Smart Grid Technologies Conference Europe (ISGT Europe), 2010 IEEE PES
Year
2010
Title
Survey of Smart Grid standardization studies and recommendations — Part 2
Title of Conference
Innovative Smart Grid Technologies Conference Europe (ISGT Europe), 2010 IEEE PES
Year
2010
Title
Towards a Semantic Communication Interface between Information and Automation Layer in Smart Grids
Title of Conference
4th International Conference on Integration of Renewable and Distributed Energy Resources
Year
2010
Title
Energieinformationsnetze und -systeme
Alle Autoren
Benze, Diedrich, Honecker, Hübner, Jagstaidt, Khattabi, Kießling, Kopp, Krings, Lehnhoff, Speh, Stein, Uslar, Wittpahl
Year
2010
Title
Untersuchung des Normungsumfeldes zum BMWi-Förderschwerpunkt
Alle Autoren
Beenken, Petra; Busemann, Claas; Gonzalez, Jose; Kamenik, Jens; Mayer, Christoph; Nieße, Astrid; Rohjans, Sebastian; Specht, Michael; Uslar, Mathias; Weidelt, Tobias; Hein, Franz; Schmedes, Tanja; Schwarz, Karlheinz
Year
2009
Title
Die eTelligence-Referenzarchitektur
booktitle
Internationaler ETG-Kongress 2009
Title of Conference
ETG-Kongress 2009
Alle Autoren
Beer, Sebastian; Bischofs, Ludger; Pries, Christine; Uslar, Mathias; Nieße, Astrid; Appelrath, H.-Jürgen; Rohr, Matthias; Stadler, Michael
Year
2009
Title
Einheitliche Datenmodelle und Sicherheitsstandards in der Netzleittechnik durch standardkonforme Integration mit Ontologien
Title of Conference
IT-Solutions in der Elektrizitätserzeugung
Year
2009
Title
Ontology-based Integration of the Heterogeneous Standards IEC 61970 and 61850
booktitle
Internationaler ETG-Kongress 2009 Fachtagung 1: Intelligente Netze / Fachtagung 2: Leistungselektronik in Netzen / Vorträge der Internationalen ETG-Kongresses vom 27. bis 28. Oktober 2009 in Düsseldorf ETG-Fachbericht Band 118
Title of Conference
Internationaler ETG-Kongress 2009 (ETG-FB 118)
Alle Autoren
Uslar, Mathias; Rohjans, Sebastian
Year
2009
Title
A Use Case for Ontology Evolution and Interoperability: The IEC Utility Standards Reference Framework 62357
booktitle
Cases on Semantic Interoperability for Information Systems Integration: Practices and Applications
Alle Autoren
Uslar, Mathias; Grüning, Fabian; Rohjans, Sebastian
Year
2009
Title
Ontologiebasierte Integration heterogener Standards in der Energiewirtschaft
Alle Autoren
Uslar, Mathias
Year
2009
Title
Model Driven Software Development: Integrating Quality Assurance
Alle Autoren
Abels, Sven; Hasselbring, Wilhelm; Streekmann, Niels; Uslar, Mathias
Year
2008
Title
Building the Semantic Utility with Standards and Semantic Web Services
booktitle
On the Move to Meaningful Internet Systems: OTM 2008 Workshops
Alle Autoren
Uslar, Matthias; Rohjans, Sebastian; Schulte, Stefan; Steinmetz, Ralf
Year
2008
Title
Das CIM als Integrationsstandard für Versorger
booktitle
EMISA Forum 27(1)
Alle Autoren
Uslar, Mathias
Year
2007
Title
MDA-basierte Kopplung heterogener Informationssysteme im EVU-Sektor - ein Framework
booktitle
eOrganisation: Service-, Prozess-, Market-Engineering
Title of Conference
8. Internationale Tagung Wirtschaftsinformatik
Alle Autoren
Uslar, Mathias; Streekmann, Nils; Abels, Sven
Year
2007
Title
Implementing and Evaluating the Common Information Model in a Relational and RDF-based Database
booktitle
Information Technologies in Environmental Engineering - ITEE 2007 - Third International ICSC Symposium
Alle Autoren
Uslar, M.; Schulte, S.; Berbner, Rainer; Steinmetz, Ralf
Year
2007
Title
Integrating Knowledge Management and Human Resources via Skills Management
Alle Autoren
Uslar, Mathias; Gronau, Norbert
Year
2007
Title
Potenziale des Skill Management: Stand, Anforderungen und Ausblicke für KMU
Alle Autoren
Uslar, M.
Year
2007
Title
Annotating and Integrating Legacy RDBMSs for the Utility Domain
booktitle
EnviroInfo 2007, Environmental Informatics and Systems Research
Title of Conference
EnviroInfo 2007
Alle Autoren
Grüning, Fabian; Uslar, Mathias
Year
2007
Title
Distributed Generation and Renewable Energy rely on Power and Information Grids
booktitle
Proceedings of the 2007 POWERGRID Europe Conference, Session on Connecting DG and Renewables to the Grid
Alle Autoren
Schmedes, Tanja; Tröschel, Martin; Uslar, Mathias
Year
2007
Title
Zur semantischen Interoperabilität in der Energiebranche: CIM IEC 61970
Alle Autoren
Uslar, Mathias; Grüning, Fabian
Year
2007
Title
Distributed Power Generation: Requirements and Recommendations for an ICT Architecture
booktitle
Information Technologies in Environmental Engineering - ITEE 2007 - Third International ICSC Symposium
Alle Autoren
Winkels, Ludger; Osterloh, Jan-Patrick; Gruening, Fabian; Boers, Dave; Tröschel, Martin; Schmedes, Tanja; Uslar, Mathias
Year
2007
Title
Grundlagen zum Themenkomplex des Projektes M-WISE
booktitle
M-WISE: Modellierung wissensintensiver Prozesse im Software Engineering
Alle Autoren
Gronau, Norbert; Uslar, Mathias; Winkler, Torsten
Year
2006
Title
International Journal on Interoperability in Business Information Systems - IBIS - Volume 1, Issue 3
Alle Autoren
Abels, Sven; Hahn, Axel; Uslar, Mathias
Year
2006
Title
International Journal on Interoperability in Business Information Systems - IBIS - Volume 1, Issue 2
Alle Autoren
Abels, Sven; Hahn, Axel; Uslar, Mathias
Year
2006
Title
International Journal on Interoperability in Business Information Systems - IBIS - Volume 1, Issue 1
Alle Autoren
Abels, Sven; Hahn, Axel; Uslar, Mathias
Year
2006
Title
RDF-basierte Darstellung und Austausch von Stromnetzmodellen mittels eines Differenzmodells
booktitle
Proceedings der XML-Tage 2006 in Berlin
Title of Conference
Proceedings der XML-Tage 2006 in Berlin
Alle Autoren
Uslar, Mathias; Dahlem, Nikolai
Year
2006
Title
Das Common Information Model CIM und seine Nutzung für EAI in Energieversorgungsunternehmen
booktitle
Proceedings der XML-Tage 2006 in Berlin
Title of Conference
Proceedings der XML-Tage 2006 in Berlin
Alle Autoren
Uslar, Mathias
Year
2006
Title
The Common Information model for utilities: An Introduction and Outlook on Future Applications
booktitle
Proceedings der XML-Tage 2006 in Berlin
Title of Conference
Proceedings der XML-Tage 2006 in Berlin
Alle Autoren
Uslar, Mathias
Year
2006
Title
Nutzen von Open Source Software im Kontext internationaler Normung am Beispiel des Common Information model CIM
booktitle
Informatik 2006: Informatik für Menschen
Title of Conference
Informatik 2006: Informatik für Menschen
Alle Autoren
Uslar, Mathias
Year
2006
Title
Integrationsplattform für dezentrales Energiemanagement
Alle Autoren
Appelrath, Hans-Jürgen; Schmedes, Tanja; Uslar, Mathias
Year
2005
Title
Organizational learning via case studies in software migration projetcs
Title of Conference
Informatik 2005
Alle Autoren
Thaden, Eike; Bischofs, Ludger; Uslar, Mathias; Reussner, Ralf
Year
2005
Title
Wissensinfrastrukturen für ein projektorientiertes Wissensmanagement
booktitle
Wissens- und Werte-Management in Theorie und Praxis
Alle Autoren
Steffens, Ulrike; Uslar, Mathias
Year
2005
Title
Bericht über den Workshop Wissensmanagement in der Softwareentwicklung auf der Informatik 2005 (WMSE05)
Year
2005
Title
Data model integration and data stream management as interoperability issues in the utility domain
Alle Autoren
Uslar, Mathias; Schmedes, Tanja
Year
2005
Title
Wissensinfrastukturen für ein projektorientiertes Wissensmanagement
booktitle
Wissens- und Werte-Management in Theorie und Praxis
Alle Autoren
Steffens, Ulrike; Uslar, Mathias
Year
2005
Title
Semantic Interoperability within the Power Systems Domain
booktitle
Proceedings of the First International Workshop on Interoperability of Heterogeneous Information Systems in conjunction with the ACM Conference on Inf
Alle Autoren
Uslar, M.
Year
2005
Title
Interaction of EMS related systems by using the CIM standard
booktitle
Proceedings of the ITEE 2005 Magdeburg
Alle Autoren
Uslar, Mathias; Schmedes, Tanja; Lucks, Andreas; Luhmann, Till; Winkels, Ludger; Appelrath, Hans-Jürgen
Year
2005
Title
Bewertung und Selektion konkurrierender Standards
booktitle
INFORMATIK 2005: Informatik LIVE!, Band 2, Beiträge der 35 Jahrestagung der Gesellschaft für Informatik e.V. (GI)
Alle Autoren
Abels, Sven; Hahn, Axel; Uslar, Mathias
Year
2005
Title
Eine serviceorientierte Architektur für das dezentrale Energiemanagement
booktitle
INFORMATIK 2005: Informatik LIVE!, Band 2, Beiträge der 35 Jahrestagung der Gesellschaft für Informatik e.V. (GI)
Alle Autoren
Uslar, Mathias; Schmedes, Tanja; Luhmann, Till; Appelrath, H.-J.
Year
2005
Title
Organizational Learning via Case Studies in Software Projects
booktitle
INFORMATIK 2005: Informatik LIVE!, Band 2, Beiträge der 35 Jahrestagung der Gesellschaft für Informatik e.V. (GI)
Alle Autoren
Thaden, Eike; Bischofs, Ludger; Uslar, Mathias; Reussner, Ralf
Year
2005
Title
Using Process Modeling for Well-directed Distribution of Knowledge Assets
booktitle
Proceedings of the 5th International Conference on Knowledge Management I-Know 2005, Graz
Alle Autoren
Steffens, Ulrike; Uslar, Mathias
Year
2005
Title
Rahmenbedingungen und Lösungen für Enterprise Application Integration bei EVU
Alle Autoren
Uslar, Mathias; Schmedes, Tanja; Luhmann, Till
Year
2005
Title
M-WISE: Modellierung wissensintensiver Prozesse im Software Engineering
booktitle
Tagungsband der Eröffnungskonferenz der BMBF Forschungsoffensive Software Engineering 2006
Alle Autoren
Gronau, Norbert; Uslar, Mathias; Winkler, Torsten
Year
2005
Title
The KMDL Knowledge Management Approach: Integrating Knowledge Conversions and Business Process Modeling
booktitle
Proceedings of the 5th International Conference on Practical Aspects of Knowledge Management (PAKM 2004)
Alle Autoren
Gronau, Norbert; Müller, Claudia; Uslar, Mathias
Year
2005
Title
Institutionalization of a general electronic democracy through electronic democratic parties - a general concept with focus on Germany
booktitle
Proceedings of the 38th Hawaii International Conference on System Sciences (HICSS '05), Wailea, Maui, HI
Alle Autoren
Gronau, Norbert; Weber, Edzard; Uslar, Mathias
Year
2005
Title
General conditions and solutions for Enterprise Application integration (EAI) at power system companies
booktitle
Poster Session of the Energy Convention Groningen 2005, EDReC Groningen 2005
Alle Autoren
Uslar, Mathias; Schmedes, Tanja
Year
2005
Title
Antipattern zur Potenzialanalyse mittels KMDL in wissensintensiven Prozessen im Software Engineering- Modellierung von Wissensflüssen zur Verbesserung des Softwareentwicklungsprozesses
booktitle
Proceedings des Knowtech 2004
Alle Autoren
Gronau, N.; Uslar, M.
Year
2004
Title
Projektgruppe Logistikportal für den Schienengüterverkehr in Niedersachsen
Alle Autoren
Abels, Sven; Uslar, Mathias
Year
2004
Title
Skillmanagement Potenziale - Konzepte - Werkzeuge
booktitle
INFORMATIK 2004 - Informatik verbindet, Band 2, Beiträge der 34. Jahrestagung der Gesellschaft für Informatik e.V. (GI), Ulm, 20.-24. September 2004
Alle Autoren
Gronau, Norbert; Uslar, Mathias
Year
2004
Title
Skillmanagement: Anwendungsgebiete und Erfahrungen
Alle Autoren
Gronau, Norbert; Uslar, Mathias
Year
2004
Title
KMDL: Eine Sprache zur Modellierung wissensintensiver Prozesse nach dem SECI-Modell
booktitle
Proceedings des GI-Fachgruppentreffen Wissensmanagement (FGWM 2004), 2004
Alle Autoren
Gronau, Norbert; Müller, Claudia; Uslar, Mathias; Winkler, Torsten; Weber, Edzard
Year
2004