http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Toxic substances in agricultural water supply and drainage
defining the problems : proceedings from the 1986 regional meetings sponsored by the U.S. Committee on Irrigation and Drainage
edited by Joseph B. Summers and Susan S. Anderson.
Cover title: Proceedings, 1986 regional meetings.
Spine title: USCID 1986 regional meetings.