Main control factors of high quality hydrocarbon source rocks of the Upper Permian Dalong Formation at Shangsi section of Guangyuan，Sichuan Province
Li Niu, Hu Chaoyong, Ma Zhongwu, Yan Jiaxin
JOURNAL OF PALAEOGEOGRAPHY . 2011, (3): 347 -354 .  DOI: 10.7605/gdlxb.2011.03.011