昌平縣環境保護志
By: Sun Renfu zhu bian
Series: Changping di fang zhi cong shu
Publisher: Beijing Yanshan chu ban she
Published: 1993
Place of publication: Beijing
Language: chi
Number of pages: 169
ISBN-13: 9787540206062
Subjects: Environmental protection; Environmental policy
Other titles: Changping Xian huan jing bao hu zhi