Xi bei--zu guo di kuang chan zi yuan bao ku
By: Lanzhou da xue di zhi xi yan kuang jiao yan shi
Edition: Di 1 ban
Series: Zhongguo di da xi bei cong shu
Publisher: Qinghai ren min chu ban she; Qinghai sheng xin hua shu dian fa xing
Published: 1986
Place of publication: Xining Shi
Language: chi
Number of pages: 114
Subjects: Mines and mineral resources