@book{Sonnenberg.1996,
  address = {Bergisch Gladbach},
  author = {Sonnenberg, Karlheinz},
  interhash = {cbcbcc0e461bb4d9bb0a01e32d20fc2b},
  intrahash = {654afa759d2b44e113eb4f6f8fbd0c64},
  isbn = {3890125069},
  publisher = {Eul},
  title = {Die Wahl der Beschaffungsmarketingstrategie:  Ein heuristischer Ansatz},
  year = 1996
}

@book{Bosch.1993,
  address = {Bergisch Gladbach},
  author = {Bosch, Harald},
  interhash = {735709d410425d17480dd9e5e50c8802},
  intrahash = {81a35b1a6f8ea9b0450e10450e9fb9d9},
  isbn = {3890123406},
  publisher = {Eul},
  series = {Reihe},
  title = {Entscheidung und Unschärfe:  Eine entscheidungstheoretische Analyse der Fuzzy-Set-Theorie},
  volume = 47,
  year = 1993
}

@book{Rieken.1995,
  address = {Bergisch Gladbach},
  author = {Rieken, Ludger},
  interhash = {6fee1b5515046b9fde71881b4bab3375},
  intrahash = {10dd5fb212c2400c9404aa038ba60f5c},
  isbn = {3890124763},
  publisher = {Eul},
  title = {Die situative Gestaltung des Materialflusses zwischen Zulieferer und Abnehmer:  Dargestellt am Beispiel der deutschen Automobilindustrie},
  year = 1995
}