1. Abdalla, C., Drohan, J., Swistock, B., Boser, S., 2011. Marcellus Shale Gas Well Drilling: Regulations to Protect Water Supplies in Pennsylvania. Available from: 〈http://www.cce.cornell.edu/EnergyClimateChange/NaturalGasDev/Documents/PDFs/marcellus_regulations_fact_sheet%5B1%5D.pdf〉 (last viewed 20.3.13).
2. Support to the Identification of Potential Risks for the Environment and Human Health Arising from Hydrocarbons Operations Involving Hydraulic Fracturing in Europe;AEA,2012
3. Unconventional Gas Shales: Development, Technology, and Policy Issues (October 30, 2009);Andrews,2009
4. Challenges and counter measures of China's energy security;Cao;Energy Policy,2012
5. World Shale Gas Resources: an Initial Assessment of 14 Regions Outside the United States;Energy Information Administration,2011