@book{Stratmann.2001,
  address = {Lohmar, Köln},
  author = {Stratmann, Jörg},
  interhash = {a24449d14a5cb348eb6064d1b7be1a84},
  intrahash = {7b8cafbad5446125e5c3a466e39a7021},
  isbn = {3890128467},
  price = {DM 88.00, EUR 44.99, sfr 77.44, S 660.41},
  publisher = {Eul},
  series = {Reihe},
  title = {Bedarfsgerechte Informationsversorgung im Rahmen eines produktlebenszyklusorientierten Controlling},
  url = {http://www.gbv.de/dms/hebis-darmstadt/toc/98415638.pdf},
  volume = {Bd. 71},
  year = 2001
}

@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
}