Zi ran liu
By: Wang Hongxi, Yu Yonggang ; [Di zhi kuang chan bu shu kan bian ji shi bian ji]
Contributors: Yu, Yonggang; China. Di zhi kuang chan bu. Shu kan bian ji shi
Edition: Di 1 ban
Publisher: Di zhi chu ban she; Xin hua shu dian Beijing fa xing suo fa xing
Published: 1983
Place of publication: Beijing
Language: chi
Number of pages: 219
Subjects: Sulfur
Notes: Bibliography: p. 216-219.