@Inproceedings{ls_leimeister,
  author = {Zauner, A. and Hoffmann, H. and Leimeister, J. M. and Krcmar, H.},
  title  = {Automotive Software und Service Engineering (ASSE) - Eine Exploration von Herausforderungen und Trends aus Sicht von Branchenexperten},

  year   = {2009},
  number = {},
  url    = {http://pubs.wi-kassel.de/wp-content/uploads/2013/03/JML_128.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://pubs.wi-kassel.de/wp-content/uploads/2013/03/JML_232.pdf},

  const  = {\ text}
}
@Incollection{ls_leimeister,
  author = {Hoffmann, H. and Leimeister, J.M. and Krcmar, H.},
  title  = {Kundenintegration bei der Erstellung bedarfsgerechter automotive Software},

  year   = {2010},
  number = {},
  url    = {http://pubs.wi-kassel.de/wp-content/uploads/2013/03/JML_231.pdf},

  const  = {\ text}
}