@article{131504,
  author              = {Armstrong, Robert G.},
  journal             = {Journal of West African Languages},
  number              = {1},
  pages               = {49–58},
  title               = {Yala (Ikom): A terraced-level language with three tones},
  volume              = {5},
  year                = {1968},
  citekeys            = {langsci109:armstrong1968},
  filenames           = {yba_armstrong.pdf},
  inlg                = {English [eng]},
  isreferencedby      = {langsci109},
  keywords            = {;waf;nga;lng;phn;tnl;t.653;},
  lgcode              = {Yala [yba] (autotranslated from Maho's coding system)},
  macro_area          = {Africa},
  phoible_inventoryid = {1288},
  src                 = {eballiso2009, langsci, phoible, weball},
  subject_headings    = {waf, nga, lng, phn, tnl, t.653}
}