Mei, Tsulin. 1980. Sìshēng biéyì zhōng de shíjiān céngcì \zh{四声别义中的时间层次} [{C}hronological strata in tonal alternations]. Zhōngguó yǔwén \zh{中国语文}. 427-443.
@article{jacquesestimative-mei80sishengbieyi, author = {Mei, Tsulin}, journal = {Zhōngguó yǔwén \zh{中国语文}}, number = {6}, pages = {427-443}, title = {Sìshēng biéyì zhōng de shíjiān céngcì \zh{四声别义中的时间层次} [{C}hronological strata in tonal alternations]}, year = {1980} }