20 shi ji da zai nan
By: Hao Minggong, Yang Zheng bian zhu
Contributors: Yang, Zheng
Edition: Di 1 ban
Series: 20 shi ji da bo lan
Publisher: Chongqing chu ban she
Published: 2000
Place of publication: Chongqing
Language: chi
Number of pages: 338
Subjects: Modern History; Disasters; History