Fundamentals of Object-Oriented Languages, Systems, and Methods
H.-D. Ehrich, G. Engels, J. Paredaens, J. Wegner, eds., Fundamentals of Object-Oriented Languages, Systems, and Methods, Schloss Dagstuhl, Leibniz Center for Informatics, 1994.

Graph Gramars and Their Application to Computer Science, 5th International Workshop (1994), Selected Papers
J. Cuny, H. Ehrig, G. Engels, G. Rozenberg, eds., Graph Gramars and Their Application to Computer Science, 5th International Workshop (1994), Selected Papers, Springer, Berlin/Heidelberg, 1994.

Berücksichtigung von Datenschutzaspekten in einem bevölkerungsbezogenen Krebsregister
W. Thoben, H.-J. Appelrath, J. Rettig, S. Sauer, in: Proceedings of the Conference on Medizin Und Information, Biometrie Und Epidemiologie (GMDS 1994), Dresden (Germany), MMV Medizin Verlag, München, 1994, pp. 88–90.

Structural and Behavioural Views on OMT-Classes
J. Ebert, G. Engels, in: Proceedings of the International Symposium on Object-Oriented Methodologies and Systems (ISOOMS 1994), Palermo (Italy), Springer, Berlin/Heidelberg, 1994, pp. 142–157.

Object-Oriented System Development: Will the New Approach Solve Old Problems?
G. Engels, G. Kappel, in: Proceedings of the IFIP 13th World Computer Congress on Information Processing, Hamburg (Germany), Elsevier, 1994, pp. 434–441.

Towards a Module Concept for Graph Transformation Systems: The Software Engineering Perspective
G. Engels, H. Ehrig, in: Proceedings Colloquium on Graph Transformation and Its Application in Computer Science, Universitat de les Illes Balears, Departament de Ci, 1994.

Optical Modelling, Simulation and Improvement of PV Module Encapsulation
S. Krauter, R. Hanitsch, P. Campbell, S.R. Wenham, in: Proceedings of the 12th European Photovoltaic Solar Energy Conference, Amsterdam (Niederlande), 11.–15. April 1994, Band 2, S. 1198–1201, 1994.

Simulation Tool for Prediction and Optimization of Output Power Considering Thermal and Optical Parameters of PV Module Encapsulation
P. Strauss, K. Onneken, S. Krauter, R. Hanitsch, in: Proceedings of the 12th European Photovoltaic Solar Energy Conference, Amsterdam (Niederlande), 11.–15. April 1994, Band 2, S. 1194–1197., 1994.

Einfluß optischer und thermischer Parameter auf den Tageswirkungsgrad von photovoltaischen Modulen
S. Krauter, R. Hanitsch, in: Neuntes Internationales Sonnenforum, Berlin (Deutschland), 28. Juni – 1. Juli 1994, S. 495–502, 1994.

Simulation of Thermal and Optical Performance of PV Modules
S. Krauter, R. Hanitsch, S.R. Wenham, in: Proceedings of the 3rd World Renewable Energy Congress, Reading (UK), 11.–16. September 1994, 1994.

Actual Optical and Thermal Performance of PV-Modules
S. Krauter, in: Proceedings of the 1st World Conference on Photovoltaic Energy Conversion (Joint Congress of IEEE/PVSEC/EUPVSEC), Waikoloa, Hawaii (USA), 5.–9. Dezember 1994, S. 734–737., 1994.

Observable or Invocable Behaviour - You Have to Choose
J. Ebert, G. Engels, Observable or Invocable Behaviour - You Have to Choose, Vakgroep Informatica, Rijksuniversiteit Leiden, 1994.

Syntax and Semantics of Hybrid Database Languages
M. Andries, G. Engels, in: Proceedings of the International Workshop on Graph Transformations in Computer Science (1993), Dagstuhl (Germany), Springer, Berlin/Heidelberg, 1994, pp. 19–36.

Specification of coordinated behaviour by SOCCA
G. Engels, L. Groenewegen, in: Proceedings of the Third European Workshop on Software Process Technology (EWSPT 1994), Villard de Lans (France), Springer, Berlin/Heidelberg, 1994, pp. 128–151.

Visual Specification of Complex Database Actions
G. Engels, P. Löhr, in: Proceedings of the 2nd International East/West Database Workshop, Klagenfurt (Germany), Springer, Berlin/Heidelberg, 1994, pp. 303–314.

Visuelles Spezifizieren von komplexen Aktionen auf Datenbankstrukturen
P. Löhr-Richter, G. Engels, GI-Datenbank Rundbrief 13 (1994) 33–35.

Design Representation
J. Ebert, G. Engels, in: Encyclopedia of Software Engineering, John Wiley &; Sons, Inc., 1994, pp. 382–394.

SOCCA: Specifications of Coordinated and Cooperative Activities
G. Engels, L. Groenewegen, in: Software Process Modelling and Technology, Research Studies Press, Taunton, 1994, pp. 71–102.

Windatlas für das PESAG-Versorgungsgebiet
J. Bendfeld, A. Ernst, E. Ortjohann, Windatlas für das PESAG-Versorgungsgebiet, Universität - GH Paderborn, Fachgebiet Elektrische Energieversorgung, Februar 1994, 1994.

Flächendeckende Windpotentialbestimmung in einer Binnenlandregion mit ausgeprägter Orographie
J. Bendfeld, A. Ernst, E. Ortjohann, B. Langrock, N. Scholz, in: Renergie 94 - Windenergienutzung im Binnenland, Solarenergienutzung in Deutschland, 1994.