@Inproceedings{ls_leimeister,
  author = {Blohm, I. and Ott, F. and Bretschneider, U. and Huber, M. and Rieger, M. and Glatz, F. and Koch, M. and Leimeister, J. M. and Krcmar, H.},
  title  = {Extending Open Innovation Platforms into the real world - 
Using Large Displays in Public Spaces},

  year   = {2010},
  number = {10},
  url    = {http://www.uni-kassel.de/fb7/ibwl/leimeister/pub/JML_197.pdf},

  const  = {\ text}
}
@Inproceedings{ls_leimeister,
  author = {Hoffmann, A. and Hoffmann, H. and Leimeister, J. M.},
  title  = {Nutzerintegration in die Anforderungserhebung für Ubiquitous Computing Systeme},

  year   = {2010},
  number = {27},
  url    = {http://www.uni-kassel.de/fb7/ibwl/leimeister/pub/JML_188.pdf},

  const  = {\ text}
}