@misc{WahlPucherHofmannetal.,
  author    = {Wahl, Harald and Pucher, Robert and Hofmann, Alexander and Mense, Alexander and Gollner, Helmut and Schm{\"o}llebeck, Fritz},
  title     = {Handle Team Changes in Student Projects - the Example of the Vienna Cubes},
  subject      = {Problem Based Learning},
  language  = {en}
}
@inproceedings{PucherMenseWahletal.,
  author    = {Pucher, Robert and Mense, Alexander and Wahl, Harald and Nimmervoll, Alexander and Hofmann, Alexander and Hammerl, Barbara and Schm{\"o}llebeck, Fritz},
  title     = {Intrinsic Motivation of Students in PBL Courses},
  series = {Proceedings of the International Conference PBL2004 Pleasure by Learning, Cancun (Mexico)},
  booktitle = {Proceedings of the International Conference PBL2004 Pleasure by Learning, Cancun (Mexico)},
  subject      = {Problem Based Learning},
  language  = {en}
}
@inproceedings{WahlHofmannKraftetal.,
  author    = {Wahl, Harald and Hofmann, Alexander and Kraft, Thomas and Kleinrath, Paul and Pucher, Robert and Mense, Alexander and Nimmervoll, Alexander},
  title     = {Practical Experience of a Self Organizing Multidisciplinary PBL Project},
  series = {Proceedings of the International Conference PBL2004 Pleasure by Learning, Cancun (Mexico)},
  booktitle = {Proceedings of the International Conference PBL2004 Pleasure by Learning, Cancun (Mexico)},
  subject      = {Problem Based Learning},
  language  = {en}
}