What The US, Russia Are Really Quarreling Over: Pipelines

http://www.mintpressnews.com/what-the-us-and-russia-are-really-fightin

THE ECONOMIC AND STRATEGIC IMPLICATIONS OF THE UNCONVENTIONAL OIL AND GAS REVOLUTION

http://www.nato-pa.int/DocDownload.asp?ID=B488944A4D05040D06E

Chevron and Ukraine Set Shale Gas Deal - NYTimes.com

http://www-nc.nytimes.com/2013/11/06/business/international/chevron-an

2012?14 Romanian protests against shale gas - Wikipedia, the free encyclopedia

http://en.wikipedia.org/wiki/2012%E2%80%9314_Romanian_protests_against

Ukraine Signs Drilling Deal With Shell for Shale Gas - NYTimes.com

http://www-nc.nytimes.com/2013/01/25/business/global/ukraine-signs-dri