@incollection{28778,
  address    = {Manila},
  author     = {Whittle, Claudia and Lusted, Ruth},
  booktitle  = {Papers on Philippine languages 1},
  editor     = {Elmer Wolfenden},
  pages      = {26-39},
  publisher  = {Institute for Language Teaching and Summer Institute of Linguistics},
  title      = {Interaction of [coexistent] phonemic systems in Atta (Northern Cagayan Negrito)},
  year       = {1963},
  country    = {Philippines [PH]},
  hhtype     = {phonology (computerized assignment from "phonemic")},
  inlg       = {English [eng]},
  lgcode     = {Pamplona Atta [att]},
  macro_area = {Papunesia},
  sil_id     = {12718},
  src        = {sil16},
  subject    = {Phonological descriptions [PHD]}
}