@book{WesslingBartheLubbers1999,
  author    = {Weßling, Matthias and Barthe, Oliver and Lubbers, Bernd-Wolfgang},
  title     = {Coaching von Managern: Konzepte, Praxiseinsatz, Erfahrungsberichte / Matthias Weßling ; Oliver Barthe ; Bernd-Wolfgang Lubbers},
  publisher = {Berlin-Verl. Spitz},
  address   = {Berlin},
  isbn      = {3-87061-743-8},
  pages     = {171 S. : graph. Darst.},
  year      = {1999},
  language  = {de}
}
@book{Tietze2005,
  author    = {Tietze, J{\"u}rgen},
  title     = {Einf{\"u}hrung in die angewandte Wirtschaftsmathematik. 12., vollst. {\"u}berarb. Aufl.},
  publisher = {Vieweg},
  address   = {Wiesbaden},
  isbn      = {3-528-11164-X},
  pages     = {XVI, 566 S. : 500 Abb. u. 1300 {\"U}bungsaufg.},
  year      = {2005},
  language  = {de}
}
@book{Tietze2005,
  author    = {Tietze, J{\"u}rgen},
  title     = {{\"U}bungsbuch zur angewandten Wirtschaftsmathematik : Aufgaben, Testklausuren und L{\"o}sungen . 5., erw. Aufl.},
  publisher = {Vieweg},
  address   = {Wiesbaden},
  isbn      = {3-528-43146-6},
  pages     = {VIII, 326 S. : graph. Darst.},
  year      = {2005},
  language  = {de}
}
@book{Tietze2004,
  author    = {Tietze, J{\"u}rgen},
  title     = {Einf{\"u}hrung in die Finanzmathematik : klassische Verfahren und neuere Entwicklungen: Effektivzins- und Renditeberechnung, Investitionsrechnung, derivative Finanzinstrumente ; mit {\"u}ber 500 {\"U}bungsaufgaben. 7., verb. Aufl.},
  publisher = {Vieweg},
  address   = {Wiesbaden},
  isbn      = {3-528-66552-1},
  pages     = {XII, 431 S. : graph. Darst.},
  year      = {2004},
  language  = {de}
}
@book{Tietze1992,
  author    = {Tietze, J{\"u}rgen},
  title     = {Monotonie und Kr{\"u}mmung : Wechselbeziehungen bei Gesamtkosten- und St{\"u}ckkostenfunktionen},
  publisher = {Alano-Verl.},
  address   = {Aachen},
  isbn      = {3-89399-169-7},
  pages     = {VI, 51 S. : zahlr. graph. Darst.},
  year      = {1992},
  language  = {de}
}
@book{Tietze1992,
  author    = {Tietze, J{\"u}rgen},
  title     = {{\"O}konomische Interpretation optimaler Simplex-Tableaus},
  publisher = {Alano-Verl.},
  address   = {Aachen},
  isbn      = {3-89399-170-0},
  pages     = {VI, 33 S.},
  year      = {1992},
  language  = {de}
}
@book{Siedenbiedel2001,
  author    = {Siedenbiedel, Georg},
  title     = {Organisationslehre},
  publisher = {Kohlhammer},
  address   = {Stuttgart [u.a.]},
  isbn      = {3-17-016498-8},
  pages     = {XVI, 239 S. : graph. Darst.},
  year      = {2001},
  language  = {de}
}
@book{SiedenbiedelEislerMertz2000,
  author    = {Siedenbiedel, Georg and Eisler-Mertz, Christiane},
  title     = {Schl{\"u}sselqualifikationen im Marketing},
  publisher = {Fortis [u.a.]},
  address   = {K{\"o}ln [u.a.]},
  pages     = {281 S. : Ill., graph. Darst.},
  year      = {2000},
  language  = {de}
}
@book{SchulteZurhausen1982,
  author    = {Schulte-Zurhausen, Manfred},
  title     = {Planung von Blocklagersystemen},
  publisher = {Beuth},
  address   = {Berlin [u.a.]},
  pages     = {151 S : graph. Darst.},
  year      = {1982},
  language  = {de}
}
@book{Siedenbiedel1984,
  author    = {Siedenbiedel, Georg},
  title     = {Personelle Mobilit{\"a}t in Organisationen und organisierter Wandel : e. Unters. potentieller Beitr. d. Neuallokation von Personen u. Stellen zur Organisationsentwicklung},
  pages     = {251 S. : graph. Darst.},
  year      = {1984},
  language  = {de}
}