@incollection{ls_leimeister,
  author = {Sunyaev, A. and Leimeister, J. M. and Schweiger, A. and Krcmar, H.},
  booktitle = {Encyclopedia of Healthcare Information Systems},
  editor = {Wickramasinghe, N. Geisler},
  interhash = {b7232b01feefbf1660ca8c599a35505e},
  intrahash = {b6374f47b6d902518bf3c193f075f29d},
  publisher = {Idea Group},
  title = {IT-Standards and Standardization Approaches in Healthcare},
  url = {http://www.uni-kassel.de/fb7/ibwl/leimeister/pub/08-20.pdf},
  year = 2008
}