The National Biological and Environmental Research Act : hearings before the Subcommittee on Natural Resources, Agriculture Research and Environment of the Committee on Science, Space and Technology, House of Representatives, one hundredth Congress, second session, June 9, 30, 1988.
United States.Congress.House.Committee on Science, Space, and Technology.Subcommittee on Natural Resources, Agriculture Research, and Environment.
Washington : U.S.G.P.O.,
1989.
No. 143
Biological diversity conservation