@book{Buxmann.2000,
  address = {Berlin},
  author = {Buxmann, Peter and König, Wolfgang},
  interhash = {90c2ee05f2187bf0caa588a5b0a1c069},
  intrahash = {f9df4b76d284c732d2f8d05b017db7a6},
  isbn = {3540655034},
  price = {DM 69.00},
  publisher = {Springer},
  series = {SAP kompetent},
  title = {Zwischenbetriebliche Kooperationen auf Basis von SAP-Systemen:  Perspektiven für die Logistik und das Servicemanagement},
  year = 2000
}

@book{Ackermann.2004,
  address = {Lohmar},
  author = {Ackermann, Ingmar},
  edition = {1. Aufl.},
  interhash = {d22b933050d631c183b75d8320a51380},
  intrahash = {054af28842d915f753fc0b32db702891},
  isbn = {3899362691},
  price = {EUR 56.00},
  publisher = {Eul},
  series = {Planung, Organisation und Unternehmungsführung},
  title = {Supply Chain Management in der Automobilindustrie},
  url = {http://www.gbv.de/dms/zbw/394642848.pdf},
  volume = 98,
  year = 2004
}