Developmental Value of Oil Shale in the 7th Member of Middle Jurassic in
Yuqia Area，Qaidam Basin
Ma Xinmin1, Hao Haiyan2, Ma Feng1, Duan Guolu3, Cheng Yuhong1
西南石油大学学报(自然科学版) . 2013, (3): 52 -58 .  DOI: 10. 3863/j. issn. 1674 – 5086. 2013. 03. 007