G. Engels, “Guest Editorial to the Special Section on MODELS 2007,” Software &; Systems Modeling, vol. 9, no. 1, pp. 5–6, 2009.

M. Spijkerman and T. Eckardt, “Modellbasiertes Testen auf Basis des fundamentalen Testprozesses,” Softwaretechnik-Trends, vol. 29, no. 4, 2009.

S. Sauer, G. Engels, J. Willkomm, A. Baumann, and A. Hofmann, “A Holistic Software Engineering Method for Service-Oriented Application Landscape Development,” Advances in Enterprise Engineering II, pp. 1–17, 2009.

G. Engels, M. Goedicke, U. Goltz, A. Rausch, and R. Reussner, “Design for Future – Legacy-Probleme von morgen vermeidbar?,” Informatik-Spektrum, vol. 32, no. 5, pp. 393–397, 2009.

H. Voigt, Kontextsensitive Qualitätsplanung von Softwaremodellen. 2009.

T. Schattkowsky, Platform independent modeling of synthesizable software systems using UML 2. 2009.

A. Förster, Pattern based business process design and verification. 2009.

M. Assmann, Model-based evaluation of service-oriented enterprise architectures. 2009.

J. Kissel, R. Hanitsch, and S. Krauter, “Cornerstones of a renewable energy law for emerging markets in South America,” Energy Policy, vol. 37, no. 9/September 2009, pp. 3621–3626, 2009.

A. Preiss and S. Krauter, “Yield prediction and comparison of a-Si modules,” in Proceedings of the 24th European Photovoltaic Solar Energy Conference and Exhibition, Hamburg (Deutschland), 21.–25. September 2009, S. 2846–2849, 2009.

M. Mlynarski, B. Güldali, M. Späth, and G. Engels, “From Design Models to Test Models by Means of Test Ideas,” in MoDeVVa ’09: Proceedings of the 6th International Workshop on Model-Driven Engineering, Verification and Validation, 2009, pp. 1–10.

G. Engels, “Automatic Generation of Behavioral Code - too ambitious or even unwanted?,” in First European Workshop on Behaviour Modelling in Model Driven Architecture (BM-MDA), 2009, p. 5.

F. Salger, G. Engels, and A. Hofmann, “Inspection Effectiveness for Different Quality Attributes of Software Requirement Specifications - An Industrial Case Study,” in Proceedings of the ICSE Workshop on Software Quality (WoSQ 2009), 2009, pp. 15–21.

F. Salger, S. Sauer, and G. Engels, “An Integrated Quality Assurance Framework for Specifying Business Information Systems,” in Proceedings of the Forum at the CAiSE 2009 Conference, Amsterdam (The Netherlands), 2009, vol. 453, pp. 25–30.

C. Soltenborn and G. Engels, “Towards Generalizing Visual Process Pattern,” in Proceedings of the 1st International Workshop on Visual Formalisms for Patterns (VFfP 2009), Corvallis, OR (USA), 2009, vol. 25.

T. von der Maßen and A. Wübbeke, “Lösungsorientierte Software Produktlinienentwicklung in heterogenen Systemlandschaften,” in Proceedings of Produktlinien im Kontext (PIK09), 2009, pp. 15–23.

S. Kakvi, “Reinforcement Learning for Blackjack,” in Lecture Notes in Computer Science, Berlin, Heidelberg, 2009.

J. Bendfeld, M. Tigges, and J. Voss, “Offshore measurements in the Baltic Sea,” in World Sustainable Energy Days (WSED 2009), Wels, Austria, Februar 2009, 2009.

J. Bendfeld, M. Tigges, and J. Voss, “Effizientere Nutzung der Offshore-Windenergie durch die Kombination mit Biogaskraftwerken,” in VDI Kongress AUTOMATION 2009, Baden-Baden, Deutschland, Juni 2009, 2009.

J. Bendfeld and M. Splett, “Effects of Offshore Wind Energy Fluctuations on the Intra-day spot-market in Germany,” in 10th IAEE European Conference (International Association for Energy Economics): Energy, Policies and Technologies for Sustainable Economies; Wien, Österreich, September 2009, 2009.