@misc{7541,
  author = {Kaufman, Terrence S.},
  title  = {Early Otomanguean homeland and cultures: some premature hypotheses. University of Pittsburgh Working Papers in Linguistics 1. 91-136. Rensch, C. R. 1976. Comparative Otomanguean Phonology. Bloomington: Indiana University.},
  year   = {1990}
}