@article{128549,
  author           = {Green, Margret Mackeson},
  journal          = {Africa: journal of the International African Institute},
  pages            = {213-219},
  title            = {The classification of West African tone languages: Igbo and Efik},
  volume           = {19},
  year             = {1949},
  hhtype           = {comparative (computerized assignment from "languages;classification")},
  inlg             = {English [eng]},
  keywords         = {;waf;nga;lng;lcl;phn;tnl;t.511;t.241;},
  lgcode           = {Efik [efi], Igbo [ibo] (autotranslated from Maho's coding system)},
  macro_area       = {Africa},
  src              = {eballiso2009, weball},
  subject_headings = {waf, nga, lng, lcl, phn, tnl, t.511, t.241}
}