Gansu zhong bu gan han di qu wu chan zi yuan zi liao hui bian
By: Gansu sheng zhong xin tu shu guan wei yuan hui
Publisher: Gansu sheng zhong xin tu shu guan wei yuan hui
Published: 1986
Place of publication: [Lanzhou Shi?]
Language: chi
Number of pages: 395
Subjects: Sources; Economic conditions; Natural resources; History
Notes: Cover title.