@incollection{BockRosenthalHartmannHelmer1973,
  author    = {Bock-Rosenthal, Erika and Hartmann, Heinz and Helmer, Elvira},
  title     = {Leitende Angestellte: Loyalit{\"a}t zum Unternehmen},
  series = {Der Arbeitgeber},
  volume    = {20},
  booktitle = {Der Arbeitgeber},
  pages     = {924 -- 926},
  year      = {1973},
  language  = {de}
}