Jacobsen, William. H. Jr. 1969. Origin of the Nootka Pharyngeals. International Journal of American Linguistics 35. 125–153.
@article{jacobsen1969,
author = {Jacobsen, William. H. Jr.},
journal = {International Journal of American Linguistics},
number = {2},
pages = {125–153},
title = {Origin of the Nootka Pharyngeals},
volume = {35},
year = {1969}
}