Marine mammals : hearings before the Subcommittee on Fisheries and Wildlife Conservation and the Environment of the Committee on Merchant Marine and Fisheries, House of Representatives, Ninety-fifth Congress, first session ... February 17, 1977 ... March 2, 1977 ... H.R. 4740, March 15, 1977
United States. Congress. House. Committee on Merchant Marine and Fisheries. Subcommittee on Fisheries and Wildlife Conservation and the Environment