@incollection{BockRosenthalHartmannHelmer1973,
  author    = {Erika Bock-Rosenthal and Heinz Hartmann and Elvira Helmer},
  title     = {Eigene soziale Identit{\"a}t - Verlangen nach eigener Interessenvertretung},
  booktitle = {Die F{\"u}hrungskraft},
  volume    = {13},
  year      = {1973},
}