Er tong zhi li yu zhi li fa yu bu liang
By: Zuo Chengye, Yang Lingling bian
Edition: Di 1 ban
Publisher: Hunan ke xue ji shu chu ban she; Hunan sheng xin hua shu dian fa xing
Published: 1981
Place of publication: Changsha Shi
Language: chi
Number of pages: 50