@article{848186,
      recid = {848186},
      author = {Ammon, Ulrich. and Hellinger, Marlis.},
      title = {Status change of languages /},
      pages = {1 online resource (560 pages) :},
      note = {Papers in English, French, and German.},
      url = {http://library.usi.edu/record/848186},
}