Microfiche version: United States. Congress. House. Committee on Science, Space, and Technology. Subcommittee on Energy Research and Development Global prospects for U.S. coal and coal technologies. [Bethesda, Md.] : ProQuest,[2004]
Print version: United States. Congress. House. Committee on Science, Space, and Technology. Subcommittee on Energy Research and Development Global prospects for U.S. coal and coal technologies