@book{Aust.2000,
  address = {Mannheim},
  author = {Aust, Eberhard},
  edition = {2. Aufl.},
  interhash = {d5a6e884e6ca480f7764aec8f159d3e2},
  intrahash = {ec6f122338b781fc76f9032513fe4784},
  isbn = {3932213017},
  publisher = {Lüth},
  title = {ePurchasing:  Im B2B eCommerce ist der Kunde wieder König},
  url = {http://www.gbv.de/dms/hebis-darmstadt/toc/92588492.pdf},
  year = 2000
}

@book{Aust.2001,
  address = {Mannheim},
  author = {Aust, Eberhard},
  edition = {1. Aufl.},
  interhash = {6bc9b23f4f2109aba12b50908500cca0},
  intrahash = {832061b86508fa6a157b2ca44266b2ab},
  isbn = {393221305x},
  price = {Euro 49.00},
  publisher = {Lüth},
  series = {Knowhow-Fachbücher},
  title = {eSourcing:  Die Revolution im strategischen Einkauf},
  url = {http://www.gbv.de/dms/hebis-darmstadt/toc/101703449.pdf},
  year = 2001
}