@book{158302,
  author     = {Bierfert, Augustin},
  publisher  = {Hünfeld (Deutschland)},
  title      = {25 Jahre bei den Wadiriku am Okawango},
  year       = {1938},
  inlg       = {German [deu]},
  keywords   = {;saf;nmb;ant;bgr;bnt;k.332;},
  lgcode     = {Diriku [diu] (autotranslated from Maho's coding system)},
  macro_area = {Africa},
  src        = {eballiso2009}
}