@article{LangendoerferMayeDykaetal., author = {Langend{\"o}rfer, Peter and Maye, Oliver and Dyka, Zoya and Sorge, R. and Winkler, R. and Kraemer, Rolf}, title = {Plasma - A Middleware for Location-Based Services: Design, Implementations and Lessons Learned}, language = {en} } @article{SorgeHeinemann, author = {Sorge, R. and Heinemann, B.}, title = {Recombination Current Measurements in the Space Charge Region of MOS Field-Induced PN Junctions}, language = {en} }