Guo wai huan jing fa zhan zhan lue yan jiu
By: Cao Fengzhong deng.
Contributors: Cao, Fengzhong.
Publisher: Zhongguo huan jing ke xue chu ban she
Published: 1993
Place of publication: Beijing
Language: chi
Number of pages: 464
Subjects: Environmental protection.; Pollution.; Environmental protection -- China.