@incollection{Zifonun1992,
  author    = {Gisela Zifonun},
  title     = {Das Passiv im Deutschen : Agenten, Blockaden und (De-)Gradierungen},
  series = {Deutsche Syntax : Ansichten und Aussichten. Jahrbuch 1991 des Instituts f{\"u}r deutsche Sprache},
  editor    = {Ludger Hoffmann},
  publisher = {de Gruyter},
  address   = {Berlin},
  isbn      = {3-11-013706-2},
  url       = {https://nbn-resolving.org/urn:nbn:de:bsz:mh39-7993},
  pages     = {250 -- 275},
  year      = {1992},
  language  = {de}
}