@inproceedings{KaufmannWahlMense2011,
  author    = {Christian Kaufmann and Harald Wahl and Alexander Mense},
  title     = {Problem Based Learning in a course with complex topics – lessons learned after the first year},
  booktitle = {Proceedings of the ICETI 2011, International Conference on Education, Training and Informatics,Orlando, Florida, USA},
  pages     = {262 -- 266},
  year      = {2011},
}