The ocean and the future hearings before the Subcommittee on Oceanography of the Committee on Merchant Marine and Fisheries, House of Representatives, Ninety-ninth Congress, first session, on marine biotechnology, July 15, 1985, Baltimore, MD : NOAA's ocean minerals program and the reauthorization of the Deep Seabed Hard Mineral Resources Act, October 24, 1985

"The ocean and the future hearings before the Subcommittee on Oceanography of the Committee on Merchant Marine and Fisheries, House of Representatives, Ninety-ninth Congress, first session, on marine biotechnology, July 15, 1985, Baltimore, MD : NOAA's ocean minerals program and the reauthorization of the Deep Seabed Hard Mineral Resources Act, October 24, 1985"@en
"The ocean and the future : hearings before the Subcommittee on Oceanography of the Committee on Merchant Marine and Fisheries, House of Representatives, Ninety-ninth Congress, first session"