@book{BockRosenthalHartmannHelmer1973,
  author    = {Bock-Rosenthal, Erika and Hartmann, Heinz and Helmer, Elvira},
  title     = {Leitende Angestellte},
  edition   = {1. Aufl.},
  publisher = {Luchterhand},
  address   = {Neuwied [u.a.]},
  isbn      = {3-472-12132-7},
  pages     = {160 S.},
  year      = {1973},
  language  = {de}
}