Proulx, Paul. 1989. A Sketch of Blackfoot Historical Phonology. International Journal of American Linguistics 55.1. 43-82.
@article{jacquesestimative-proulx89bf, author = {Proulx, Paul}, journal = {International Journal of American Linguistics}, pages = {43-82}, title = {A Sketch of Blackfoot Historical Phonology}, volume = {55.1}, year = {1989} }