Hearings Before the Subcommittee on Science, research and technology of the Committee on Science, space, and technology. House of representatives. March 22, 23, 24, 1988.
Hearing before the Subcommittee on Energy development and applications and the Subcommittee on Science, research, and technology Of the Committee on Science and Technology House of Representatives Ninety-ninth Congress First session June 10, 1985.
