Bei fang xiang zhen gong ye yong shui yan jiu
By: Li yan ge
Publisher: Zhong guo huan jing ke xue chu ban she
Published: 2003
Place of publication: Bei jing
Language: chi
ISBN-13: 9787801637383
Subjects: Xiang zhen qi ye; Gong ye qi ye; Gong ye yong shui; Yan jiu