@book{139308,
  author     = {Langacker, Ronald W.},
  publisher  = {Summer Institute of Linguistics Publications in Linguistics, 56(4)},
  title      = {Southern Uto-Aztecan grammatical sketches: Studies in Uto-Aztecan grammar 4},
  url        = {http://www.sil.org/acpub/repository/18401_front.pdf, http://www.sil.org/acpub/repository/18401.pdf},
  year       = {1984},
  country    = {Mexico [MX]},
  hhtype     = {grammar (computerized assignment from "grammar")},
  inlg       = {English [eng]},
  lgcode     = {El Nayar Cora [crn], Lowland Tarahumara [tac]},
  macro_area = {North America},
  sil_id     = {18401},
  src        = {sil16},
  subject    = {Grammatical descriptions [GRD]}
}