Li, Fang-Kuei. 1971. Shànggǔyīn yánjiū \zh{上古音研究} [{S}tudies on {A}rchaic {C}hinese]. The Tsing Hua Journal of Chinese Studies 9. 1–61.
@article{jacquesestimative-lifk71shanggu,
author = {Li, Fang-Kuei},
journal = {The Tsing Hua Journal of Chinese Studies},
number = {1,2},
pages = {1–61},
title = {Shànggǔyīn yánjiū \zh{上古音研究} [{S}tudies on {A}rchaic {C}hinese]},
volume = {9},
year = {1971}
}