Environmental effects of sewage sludge disposal : hearing before the Subcommittee on Natural Resources, Agriculture Research and Environment of the Committee on Science and Technology, U.S. House of Representatives, Ninety-seventh Congress, first session, May 27, 1981
United States.Congress.House.Committee on Science and Technology.Subcommittee on Natural Resources, Agriculture Research, and Environment.
Washington USGPO
1981
No. 97-24
Sewage