@article{PietschmannLeufen2003,
  author    = {Pietschmann, Bernd P. and Leufen, Daniel},
  title     = {Coaching in deutschen Unternehmen},
  series = {Personal : Zeitschrift f{\"u}r Human Resource Management. 55 (2003), H. 10},
  journal   = {Personal : Zeitschrift f{\"u}r Human Resource Management. 55 (2003), H. 10},
  isbn      = {0031-5605},
  pages     = {38 -- 40},
  year      = {2003},
  language  = {de}
}
@article{PietschmannNiclas2003,
  author    = {Pietschmann, Bernd P. and Niclas, Falco},
  title     = {Impulse f{\"u}r erfolgreiche F{\"u}hrung},
  series = {Personal : Zeitschrift f{\"u}r Human Resource Management. 55 (2003), H. 4},
  journal   = {Personal : Zeitschrift f{\"u}r Human Resource Management. 55 (2003), H. 4},
  isbn      = {0031-5605},
  pages     = {16 -- 20},
  year      = {2003},
  language  = {de}
}
@article{PietschmannRuhtz2001,
  author    = {Pietschmann, Bernd P. and Ruhtz, Vanessa},
  title     = {Knowledge Management},
  series = {Personal : Zeitschrift f{\"u}r Human Resource Management. 53 (2001), H. 5},
  journal   = {Personal : Zeitschrift f{\"u}r Human Resource Management. 53 (2001), H. 5},
  isbn      = {0031-5605},
  pages     = {242 -- 249},
  year      = {2001},
  language  = {en}
}
@article{Pietschmann2000,
  author    = {Pietschmann, Bernd P.},
  title     = {Wann wird ein Manager zum Ver{\"a}nderungsmanager?},
  series = {Personal : Zeitschrift f{\"u}r Human Resource Management. 52 (2000), H. 3},
  journal   = {Personal : Zeitschrift f{\"u}r Human Resource Management. 52 (2000), H. 3},
  isbn      = {0031-5605},
  pages     = {142 -- 144},
  year      = {2000},
  language  = {de}
}
@article{PietschmannHuppertzRuhtz1999,
  author    = {Pietschmann, Bernd P. and Huppertz, Silke and Ruhtz, Vanessa},
  title     = {Was macht F{\"u}hrungsgrunds{\"a}tze erfolgreich?},
  series = {Personal : Zeitschrift f{\"u}r Human Resource Management. 51 (1999), H. 10},
  journal   = {Personal : Zeitschrift f{\"u}r Human Resource Management. 51 (1999), H. 10},
  isbn      = {0031-5605},
  pages     = {506 -- 510},
  year      = {1999},
  language  = {de}
}
@article{PietschmannBell1999,
  author    = {Pietschmann, Bernd P. and Bell, Christa},
  title     = {Das Personal als Unique Selling Position},
  series = {Personal : Zeitschrift f{\"u}r Human Resource Management. 51 (1999), H. 4},
  journal   = {Personal : Zeitschrift f{\"u}r Human Resource Management. 51 (1999), H. 4},
  isbn      = {0031-5605},
  pages     = {176 -- 180},
  year      = {1999},
  language  = {de}
}
@article{Pietschmann1998,
  author    = {Pietschmann, Bernd P.},
  title     = {Emotionale Intelligenz/Brauchen wir neue F{\"u}hrungskonzepte?},
  series = {Personal : Zeitschrift f{\"u}r Human Resource Management. 50 (1998), H. 3},
  journal   = {Personal : Zeitschrift f{\"u}r Human Resource Management. 50 (1998), H. 3},
  isbn      = {0031-5605},
  pages     = {132 -- 135},
  year      = {1998},
  language  = {de}
}
@article{Pietschmann1997,
  author    = {Pietschmann, Bernd P.},
  title     = {M{\"o}glichkeiten und Grenzen der Teilzeit f{\"u}r F{\"u}hrungskr{\"a}fte},
  series = {Personal : Zeitschrift f{\"u}r Human Resource Management. 49 (1997), H. 7},
  journal   = {Personal : Zeitschrift f{\"u}r Human Resource Management. 49 (1997), H. 7},
  isbn      = {0031-5605},
  pages     = {349 -- 353},
  year      = {1997},
  language  = {de}
}
@book{Pietschmann1995,
  author    = {Pietschmann, Bernd P.},
  title     = {Sitzungsverhalten von Managern. Entwicklung und Anwendung einer Methode zur Ermittlung sitzungsbeeinflussender Faktoren},
  publisher = {Dt. Univ.-Verl.},
  address   = {Wiesbaden},
  isbn      = {3-8244-6225-7},
  pages     = {XXVII, 272 S. : graph. Darst.},
  year      = {1995},
  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}
}