Spinning stram into black gold : enhanced oil recovery using carbon dioxide [microfiche] : oversight hrg. before the Comm. on Natural Resources, House of Representatives, 110th congr., 2nd sess., June 12, 2008. - Washington : U.S. Gov. Print. Off., 2009. - 1 microfiche : ill. ; 105x148mm.. - (Serial N 110-75)[MFN: 4068]