@book{Schnauffer.2004,
  address = {Berlin},
  author = {Schnauffer, Hans-Georg and Stieler-Lorenz, Brigitte and Peters, Sibylle and Bullinger, Hans-Jörg},
  interhash = {aa18722bb50ca33be5a97bf794f9e966},
  intrahash = {c2dfe813b3e11e89fdc3ce3e02b07b66},
  isbn = {354021349x},
  price = {EUR-D 39.95},
  publisher = {Springer},
  title = {Wissen vernetzen:  Wissensmanagement in der Produktentwicklung},
  url = {http://www.gbv.de/dms/bsz/toc/bsz112348777inh.pdf},
  year = 2004
}

@inproceedings{ls_leimeister,
  address = {San Diego, USA},
  author = {Berkovich, M. and Leimeister, J. M. and Krcmar, H.},
  booktitle = {ASME 2009 - International Design Engineering Technical Conferences & Computers and Information in Engineering Conference IDETC/CIE},
  interhash = {aa0d29964dbae90f3405e3c2d4ad36b0},
  intrahash = {9d1e2b12bdc06df479079668790ec1f8},
  note = {145 (29-09)},
  title = {Suitability of product development methods for hybrid products as bundles of classic products, software and service elements},
  url = {http://pubs.wi-kassel.de/wp-content/uploads/2013/05/JML_181.pdf},
  year = 2009
}