@incollection{23835,
  address            = {Ulster},
  author             = {Petráček, Karel},
  booktitle          = {Aspects of Language in the Sudan},
  editor             = {Thelwall, Robin},
  pages              = {155-180},
  publisher          = {The New University of Ulster},
  series             = {Occasional Papers in Linguistics and Language Learning},
  title              = {Berti and the Central Saharan Group},
  volume             = {5},
  year               = {1978},
  bestfn             = {africa\petracek_berti1978_o.pdf},
  besttxt            = {ptxt2\africa\petracek_berti1978_o.txt},
  fn                 = {africa\petracek_berti1978_o.pdf, africa\petracek_berti1978.pdf},
  guldemann_location = {TG},
  hhtype             = {overview;comparative},
  inlg               = {English [eng]},
  keywords           = {;waf;caf;chd;lng;v.633;},
  lgcode             = {Berti [byt]},
  macro_area         = {Africa},
  src                = {eballiso2009, guldemann, hh, weball},
  subject_headings   = {naf, waf, caf, chd, lng, v.930}
}