@incollection{78755,
  address          = {Hamburg},
  author           = {Williamson, Kay [Ruth] [Margaret]},
  booktitle        = {The prehistory of the Niger Delta},
  editor           = {Alagoa, Ebiegbere Joe and Anozie, F.N. and Nzewunwa, N.},
  pages            = {65-119},
  publisher        = {Helmut Buske Verlag},
  series           = {Sprache und Geschichte in Afrika: Beiheft},
  title            = {Linguistic evidence for the prehistory of the Niger Delta},
  volume           = {8},
  year             = {1988},
  bestfn           = {africa\williamson_niger-delta1988v3_o.pdf},
  besttxt          = {ptxt2\africa\williamson_niger-delta1988v4_o.txt},
  cfn              = {africa\williamson_niger-delta1988v3_o.pdf},
  citekeys         = {langsci120:williamson1988 langsci191:williamson1988},
  fn               = {africa\williamson_niger-delta1988.pdf, africa\williamson_niger-delta1988v3_o.pdf, africa\williamson_niger-delta1988v4_o.pdf, africa\williamson_niger-delta1988_o.pdf, africa\williamson_niger-delta1988v2_o.pdf},
  hhtype           = {overview;comparative},
  inlg             = {English [eng]},
  isreferencedby   = {langsci120 langsci191},
  keywords         = {;waf;nga;hst;lng;rcn;u.600;},
  macro_area       = {Africa},
  sortname         = {Williamson, Kay Ruth Margaret},
  src              = {eballiso2009, hh, langsci, weball},
  subject_headings = {waf, nga, hst, lng, rcn, u.600}
}