Natural Gas News Novinite: Bulgaria Will Conduct Shale Gas Drilling Sooner or Later – Deputy Minister Oct 3, 2013 11:20:pm
Natural Gas News Reuters: EU policy-makers consider case for shale gas regulation Oct 3, 2013 9:37:pm
Natural Gas News Carnegie Europe: What U.S. Shale Gas Means for European Industry Oct 3, 2013 8:40:pm
