Current energy bills [microfiche] : s. hrg. before the Comm. on Energy a. Natural Resources, U. S. Senate, 111th congr., 2nd sess., June 15, 2010. - Washington : U.S. Gov. Print. Off., 2010. - 1 microfiche ; 105x148mm.. - (Serial N 111-699)[MFN: 5437]
The energy tax prevention act of 2011 [microfiche] : hrg. before the Comm. on Energy a. Commerce, House of Representatives, 112th congr., 1st sess., February 9, 2011. - Washington : U.S. Gov. Print. Off., 2011. - 7 microfiches : fig. ; 105x148mm.. - (Serial N 112-2)[MFN: 5549]