Veröffentlichungen vor 1990

@article{DIN80,
  author = {Uwe Kastens},
  title = {Programmiersprache {PEARL}},
  journal = {Normentwurf DIN 66253, Teil 2},
  year = {1980},
  volume = {},
  number = {},
  pages = {},
  month = {},
  note = {}
}