@incollection{BockRosenthalHartmannHelmer1973,
  author    = {Bock-Rosenthal, Erika and Hartmann, Heinz and Helmer, Elvira},
  title     = {Eigene soziale Identit{\"a}t - Verlangen nach eigener Interessenvertretung},
  series = {Die F{\"u}hrungskraft},
  volume    = {13},
  booktitle = {Die F{\"u}hrungskraft},
  pages     = {18 -- 19},
  year      = {1973},
  language  = {de}
}
@article{BockRosenthalHartmannHelmer1972,
  author    = {Bock-Rosenthal, Erika and Hartmann, Heinz and Helmer, Elvira},
  title     = {Selbstbild leitender Angestellter, Angst vor offenen Konflikten},
  series = {Manager Magazin},
  volume    = {12},
  journal   = {Manager Magazin},
  pages     = {104 -- 108},
  year      = {1972},
  language  = {de}
}
@article{BockRosenthalHartmann1000,
  author    = {Bock-Rosenthal, Erika and Hartmann, Heinz},
  title     = {Leitende Angestellte bef{\"u}rworten die Mitbestimmung ihrer Interessen},
  series = {Frankfurter Allgemeine Zeitung},
  journal   = {Frankfurter Allgemeine Zeitung},
  number    = {1. Dezember},
  pages     = {19},
  year      = {1000},
  language  = {de}
}