Technology development and transfer in the superfund program hearings before the Subcommittee on Investigations and Oversight of the Committee on Science, Space, and Technology, U.S. House of Representatives, One Hundred Third Congress, first session, April 28, 29, 1993. - United States. Congress. House. Committee on Science, Space, and Technology. Subcommittee on Investigations and Oversight (U.S. G.P.O. : For sale by the U.S. G.P.O., Supt. of Docs., Congressional Sales Office, 1993)