@incollection{D{\"u}ck2020,
  author    = {D{\"u}ck, Katharina},
  title     = {Russisch},
  booktitle = {Handbuch der Sprachminderheiten in Deutschland},
  editor    = {Beyer, Rahel and Plewnia, Albrecht},
  isbn      = {978-3-8233-8261-4},
  pages     = {303 -- 349},
  year      = {2020},
  subject      = {Deutschland},
  language  = {de}
}