@incollection{HammerlPucherMenseetal.,
  author    = {Hammerl, Barbara and Pucher, Robert and Mense, Alexander and Wahl, Harald and Schm{\"o}llebeck, Fritz},
  title     = {Intrinsic Motivation and Education for Sustainability},
  series = {Intrinsic Motivation - An Essential Key to Success},
  booktitle = {Intrinsic Motivation - An Essential Key to Success},
  publisher = {Icfai University Press},
  publisher      = {Fachhochschule Technikum Wien},
  pages     = {60 -- 74},
  subject      = {Motivation},
  language  = {en}
}
@inproceedings{HammerlPucherMenseetal.,
  author    = {Hammerl, Barbara and Pucher, Robert and Mense, Alexander and Wahl, Harald and Schm{\"o}llebeck, Fritz},
  title     = {Intrinsic motivation of students - the role of proper course design in education for sustainability},
  series = {Proceedings of the International Conference EMSU2004 Environmental Management for Sustainable Universities, Monterrey (Mexico)},
  booktitle = {Proceedings of the International Conference EMSU2004 Environmental Management for Sustainable Universities, Monterrey (Mexico)},
  subject      = {Sustainability},
  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}
}