Geochemical characteristics of bitumen in the Upper Permian reef limestone in Liuqiao(Chongzuo)area,Guangxi province
Qiu Zhen, Wang Qingchen, Jia Wanglu, Wei Hengye, Peng Pingan
Oil & Gas Geology . 2012, (6): 836 -844 .  DOI: 10.11743/ogg20120603