Natural Gas News VoR: Russian gas industry is bringing unconventional gas reserves more and more into play - Putin Apr 25, 2013 7:14:pm
Natural Gas News Bloomberg: Putin Dismisses Concern Gazprom ‘Slept Through’ Shale Gas Boom Apr 25, 2013 6:28:pm
Natural Gas News Reuters: Gazprom warns Europeans against selling gas to Ukraine Apr 25, 2013 3:40:pm