20 shi ji shi da hua xue zhan
By: Wang Qiang bian zhu
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: 120
Subjects: Chemical warfare; History
Other titles: Er shi shi ji shi da hua xue zhan