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} }