Ren lei zheng fu zi ran jie di xin ji yuan
By: Zhongguo qing nian chu ban she bian ji
Series: Qing nian gong chang zhu yi zhe cong kan -- di 7 ji; Qing nian gong chan zhu yi zhe cong kan -- di 7 ji.
Publisher: [Zhongguo qing nian chu ban she]
Published: 1958
Place of publication: Beijing
Language: chi
Number of pages: 227
Subjects: Research