Schryen G, Kadura R. Open Source vs. Closed Source Software: Towards Measuring Security. In: 24th Annual ACM Symposium on Applied Computing. ; 2009.

Schryen G. A comprehensive and comparative analysis of the patching behavior of open source and closed source software vendors. In: 5th International Conference on IT Security Incident Management \'26; IT Forensics. ; 2009.

Schryen G. Security of open source and closed source software: An empirical comparison of published vulnerabilities. In: 15th Americas Conference on Information Systems. ; 2009.

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

Bendfeld J, Tigges M, Voss J. Effizientere Nutzung der Offshore-Windenergie durch die Kombination mit Biogaskraftwerken. In: VDI Kongress AUTOMATION 2009, Baden-Baden, Deutschland, Juni 2009. ; 2009.

Bendfeld J, Splett M. 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.

Bendfeld J, Splett M. Reduction of CO2 Emission of conventional utilities using offshore wind energy - possibilities and prospects. In: European Offshore Wind 2009 Conference &; Exhibition (EoW). ; 2009.

Bendfeld J, Splett M. Smoothing effects of the natural combination potential at spacious distributed offshore wind farms to reduce the input variability. In: Proceedings of the European Offshore Wind 2009 Conference &; Exhibition (EoW). ; 2009.

Bendfeld J, Splett M. The influcence of offshore wind energy on pricing at the intra-day spot market in Germany. In: Proceedings of the European Offshore Wind 2009 Conference &; Exhibition (EoW). ; 2009.

Bendfeld J, Tigges M, Splett M, Voss J. Reducing the Feed-in Fluctuations of Offshore Wind Farms by Biogas Plants. In: Proceedings of the WORLD ENERGY ENGINEERING CONGRESS, Washington Convention Center, Washington, DC, November 2009. ; 2009.