Natural Gas News Novinite: Bulgarian Archaeologists Find 130 Ancient Sites along Nabucco Route Feb 12, 2012 3:15:am
Natural Gas News Bulgaria: Letter from the Citizens' Initiative against Shale Gas Feb 9, 2012 4:40:pm
Natural Gas News Gazprom: Re-engineered Long-term Supply Contracts Not in Europe’s DNA Feb 8, 2012 9:51:am