Echeverría, Max S. and Contreras, Heles. 1965. Araucanian Phonemics. International Journal of American Linguistics 31. 132–135.
@article{echeverriacontreras1965,
author = {Echeverría, Max S. and Contreras, Heles},
journal = {International Journal of American Linguistics},
number = {2},
pages = {132–135},
title = {Araucanian Phonemics},
volume = {31},
year = {1965}
}