Yu, Min. 1948. Lùn gǔyùn hé-tiē-xiè-mò-hé wǔbù zhī tōngzhuǎn \zh{论古韵合怗屑没曷五部之通转} [{O}n the alternation between the rhyme groups \zh{合} (*-ap), \zh{帖} (*-ap), \zh{屑} (*-it), \zh{皮} (*-әt), hé \zh{曷} (*-at) in {O}ld {C}hinese rhyming]. Yānjīng xuébào \zh{燕京学报} 34. 29–48.
@article{jacquesestimative-yumin48tongzhuan, author = {Yu, Min}, journal = {Yānjīng xuébào \zh{燕京学报}}, pages = {29–48}, title = {Lùn gǔyùn hé-tiē-xiè-mò-hé wǔbù zhī tōngzhuǎn \zh{论古韵合怗屑没曷五部之通转} [{O}n the alternation between the rhyme groups \zh{合} (*-ap), \zh{帖} (*-ap), \zh{屑} (*-it), \zh{皮} (*-әt), hé \zh{曷} (*-at) in {O}ld {C}hinese rhyming]}, volume = {34}, year = {1948} }