1. Shale gas was approved as a new independent mineral;Libin;Western Resources,2012
2. National Development and Reform Commission. Shale Gas Development Planning) [EB/OL]; 2011–2015 〈http://www.sdpc.gov.cn/zcfb/zcfbtz/2012tz/t20120316_467518.htm〉
3. Ministry of land and resources of the People׳s Republic of China. The results of the survey for the national shale gas resource potential and favorable areas [EB/OL]. 〈http://www.mlr.gov.cn/xwdt/jrxw/201203/t20120302_1069466. htm〉
4. Sichuan will be the most promising for developing shale gas in China;Ya;Chengdu Bus Dly,2012
5. Improve energy efficiency and low-carbon development to meet energy challenges--On reading BP Energy Outlook 2030;Wang;Int Petrol Econ,2012