@incollection{Dam1968,
  author    = {Jan van Dam},
  title     = {F{\"u}nfzig Jahre Deutschunterricht. Beobachtungen zum Sprachwandel},
  series = {Sprachnorm, Sprachpflege, Sprachkritik : Jahrbuch 1966/1967},
  editor    = {Hugo Moser},
  publisher = {Schwann},
  address   = {D{\"u}sseldorf},
  url       = {https://nbn-resolving.org/urn:nbn:de:bsz:mh39-10248},
  pages     = {79 -- 87},
  year      = {1968},
  language  = {de}
}