Improving drought monitoring and forecasting : H.R. 5136, the National Integrated Drought Information System Act of 2006 : hearing before the Subcommittee on Environment, Technology, and Standards, Committee on Science, House of Representatives, One Hundred Ninth Congress, second session, May 4, 2006.
Imprint
Washington : U.S. G.P.O. : For sale by the Supt. of Docs., U.S. G.P.O., 2006.