http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Individual onsite wastewater systems : proceedings of the eighth national conference 1981
National Conference on Individual Onsite Systems 1981 : Ann Arbor, Mich.)
sponsored by National Sanitation Foundation and U.S. Environmental Protection Agency, Office of Water Program Operation ; edited by Lawrence E. Waldorf and Joe L. Evans.
Includes bibliographical references and index.