Ke xue de xing zhi shi
By: (De) Bushike (Abraham.Buschke), (De) Yakesun (F.Jacobsohn) zhu ; Dong Qiusi yi
Contributors: Jacobsohn, F. (Friedrich), 1894- author; Dong, Qiusi, transaltor
Series: Xin Zhongguo qing nian wen ku
Publisher: Sheng huo, du shu, san lian shu dian
Published: 1949
Place of publication: Beijing
Language: chi
Number of pages: 132
Subjects: Sex; Man-woman relationships