1. Shale gas will rock the world;Jaffe;Wall Street Journal,2010
2. Are we entering a golden age of gas? World energy outlook;IEA,2011
3. Can unconventional gas be a game changer in European markets?;Gény,2010
4. Effect of increased natural gas exports on domestic energy markets as requested by the office of fossil energy;EIA,2012
5. Draft SGEIS on the oil, gas and solution mining regulatory program;New York State Department of Environmental Conservation,2009