@misc{9610,
  author = {Matteson, Esther (ed.)},
  title  = {Comparative studies in Amerindian languages. Janua Linguarum, series practica 127. The Hague: Mouton.; Waltz, Nathan A. and Carolyn H Waltz. 1967. Guanano phonemics. In Nelson, B. F. (ed.), Phonemics systems of Colombian languages, 25-36. Norman OK: Summer Institute of Linguistics, University of Oklahoma Press.; Waltz, Nathan A. 2002. Inovations in Wanano (Eastern Tucanoan) when compared with Piratapuyo. International Journal of American Linguistics 26. 157-215. Chicago: The University of Chicago.},
  year   = {1972}
}