Long-term environmental research in the Environmental Protection Agency : hearing before the Subcommittee on the Environment and the Atmosphere of the Committee on Sciecne and Technology, U.S. House of Representatives, Ninety- fifth Congress, first session, June 30, 1978.
United States.Congress.House.Committee on Science and Technology.Subcommittee on the Environment and the Atmosphere.
Washington : U.S. Govt. Print. Off.,
1978.
Includes bibliographical references.
Environmental protection