@book{160135,
  author           = {Stevenson, Roland C.},
  school           = {University of London},
  title            = {A survey of the phonetics and grammatical structure of the 'Nuba' mountain languages, with particular reference to Otoro, Katcha and Nyimang},
  year             = {1952},
  hhtype           = {overview;comparative;grammar_sketch},
  inlg             = {English [eng]},
  keywords         = {;nea;sdn;lng;grd;phn;u.944;v.221;v.102;ths;},
  lgcode           = {Ngile [jle], Lafofa [laf], Koalib [kib], Heiban [hbn], Moro [mor], Tira [tic], Otoro [otr], Ama (Sudan) [nyi], Tagoi [tag], Rashad [ras], Katcha-Kadugli-Miri [xtc], Ama (Sudan) [nyi]},
  macro_area       = {Africa},
  src              = {eballiso2009, weball},
  subject_headings = {nea, sdn, lng, grm, phn, u.944, v.221, v.102, ths}
}