Shafer, Robert. 1941. The Vocalism of Sino-Tibetan II. Journal of the American Oriental Society 61. 18-31.
@article{jacquesestimative-shafer41st,
author = {Shafer, Robert},
journal = {Journal of the American Oriental Society},
pages = {18-31},
title = {The Vocalism of Sino-Tibetan II},
volume = {61},
year = {1941}
}