Tan tan kai tuo Qinghai sheng di wen ti
By: Yu Guangyuan deng zhu.
Edition: Di 1 ban
Publisher: Qinghai ren min chu ban she; Qinghai sheng xin hua shu dian fa xing
Published: 1984
Place of publication: Xining Shi
Language: chi
Number of pages: 82
Subjects: Natural resources -- China -- Qinghai Sheng -- Congresses.