Downer, Gordon B. 1959. Derivation by tone-change in Classical Chinese. Bulletin of the School of Oriental and African Studies 22. 258-290.
@article{jacquesestimative-downer59,
author = {Downer, Gordon B.},
journal = {Bulletin of the School of Oriental and African Studies},
number = {1/3},
pages = {258-290},
title = {Derivation by tone-change in Classical Chinese},
volume = {22},
year = {1959}
}