@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{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}
}