Protecting lower-income families while fighting global warming : hearing before the Subcommittee on Income Security and Family Support of the Committee on Ways and Means, U.S. House of Representatives, One Hundred Eleventh Congress, first session, March 12, 2009.
Washington : U.S. G.P.O. : For sale by the Supt. of Docs., U.S. G.P.O., 2009.