20 shi ji shi da sheng wu zhan
By: Yu Xinhua, Guo Kaiduo, Li Xin bian zhu
Contributors: Guo, Kaiduo; Li, Xin
Edition: Di 1 ban
Series: Bai nian bai zhan cong shu
Publisher: Jie fang jun chu ban she
Published: 2001
Place of publication: Beijing
Language: chi
Number of pages: 135
Subjects: Biological warfare; History
Other titles: Er shi shi ji shi da sheng wu zhan