@article{7241,
  author     = {Cowan, George M.},
  journal    = {Notes on Linguistics},
  pages      = {22-24},
  title      = {Whistled communication},
  volume     = {20},
  year       = {1981},
  country    = {Mexico [MX]},
  lgcode     = {Huautla Mazatec [mau], Huehuetla Tepehua [tee], Bora [boa], Chepang [cdm]},
  macro_area = {Eurasia, North America, South America},
  sil_id     = {15535},
  src        = {sil16},
  subject    = {Speech surrogates [SRG]}
}