American energy security and innovation : the role of regulators and grid operators in meeting natural gas and electric coordination challenges : hearing before the Subcommittee on Energy and Power of the Committee on Energy and Commerce, House of Representatives, One Hundred Thirteenth Congress, first session, March 19, 2013

"American energy security and innovation : the role of regulators and grid operators in meeting natural gas and electric coordination challenges : hearing before the Subcommittee on Energy and Power of the Committee on Energy and Commerce, House of Representatives, One Hundred Thirteenth Congress, first session, March 19, 2013"@en