Gong, Hwang-cherng. 1994. A Hypothesis of Three Grades and Vowel Length Distinction in Tangut. Journal of Asian and African Studies 46-47. 305-314.
@article{jacquesestimative-gong94length,
author = {Gong, Hwang-cherng},
journal = {Journal of Asian and African Studies},
pages = {305-314},
title = {A Hypothesis of Three Grades and Vowel Length Distinction in Tangut},
volume = {46-47},
year = {1994}
}