(EurActiv - 23/11/10; UPI, ITAR-TASS, Bloomberg, Reuters, RTTNews, Sofia news Agency, Oil and Gas Information Agency - 22/11/10; Reuters, BBC, Eurasianet - 19/11/10)
(EurActiv - 23/11/10; UPI, ITAR-TASS, Bloomberg, Reuters, RTTNews, Sofya Haber Ajansı, Petrol ve Doğalgaz Bilgi Dairesi - 22/11/10; Reuters, BBC, Eurasianet - 19/11/10)