The state of the environment : evaluating progress and priorities : hearing before the Subcommittee on Environment, Committee on Science, Space, and Technology, House of Representatives, One Hundred Thirteenth Congress, first session, Thursday, February 14, 2013.
Publication Info.
Washington : U.S. Government Printing Office, 2013.
Washington, DC : For sale by the Superintendent of Documents, U.S. Government Printing Office