@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}
}