Search for: [Subject and Keywords = gas pipelines] OR [Subject and Keywords = Nord Stream] OR [Subject and Keywords = South Stream] OR [Subject and Keywords = Nabucco] OR [Subject and Keywords = Russia] OR [Subject and Keywords = Germany] OR [Subject and Keywords = Italy] OR [Subject and Keywords = Hungary] OR [Subject and Keywords = Romania] OR [Subject and Keywords = Bulgaria] OR [Subject and Keywords = gazociągi] OR [Subject and Keywords = Nord Stream] OR [Subject and Keywords = South Stream] OR [Subject and Keywords = Nabucco] OR [Subject and Keywords = Rosja] OR [Subject and Keywords = Niemcy] OR [Subject and Keywords = Włochy] OR [Subject and Keywords = Węgry] OR [Subject and Keywords = Rumunia] OR [Subject and Keywords = Bułgaria] OR [Title = The game of pipelines. Opinions on projects of pipelines in european newspapers] OR [Creator = Szul, Roman]