@article{18623,
  author     = {Carvalho, Américo de},
  journal    = {Bol. do caminho de ferro de Angola},
  pages      = {35-38},
  title      = {Os bantos e as suas línguas},
  volume     = {9},
  year       = {1971},
  inlg       = {Portuguese [por]},
  keywords   = {;saf;caf;ang;ant;lng;bnt;h.21;r.11;h.16;},
  lgcode     = {Kimbundu [kmb], Umbundu [umb] (autotranslated from Maho's coding system)},
  macro_area = {Africa},
  src        = {eballiso2009}
}