economist.com/eastern-approa…

"The European Commission has stepped up efforts to prevent Russian energy giant Gazprom from reaching an accord with Poland that would lock the country into long-term natural gas contracts..."
nytimes.com/2010/10/11/bus…

nytimes.com/2010/10/11/bus…

europolgaz.com.pl/en/company/aut…

europolgaz.com.pl/en/company/aut…

sk.ru/foundation/tea…
