@incollection{martin1980sprachpolitik,
  title = {Sprachpolitik},
  author = {MARTIN, Helmut},
  xn-author = {martin, helmut},
  year = {1980},
  pages = {392-405},
  keywords = {China;Language},
  x-extra = {In: 80-166 , ,},
  BAS = {389941},
  check = {martin:1980:sprachpolitik},
  source = {bas},
}