1. Petrology: Igneous, Sedimentary and Metamorphic;Harvey,1996
2. Exploring for Oil and Gas Traps, Liu Delai, Wang Yongxing, Xue Liangqing, Translation;Beaumont,2002
3. EIA, Shale in the United States. https://www.eia.gov/energy_in_brief/article/shale_in_the_united_states.cfm.
4. Formation mechanism, geological characteristics and development strategy of nonmarine shale oil in China;Zou;Petroleum Explor. Dev.,2013
5. Prospects and strategic position of shale gas resources in China;Li;Nat. Gas. Ind.,2009