http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Proceedings of the Fourth National Ground Water Quality Symposium, September 20-22, 1978, Minneapolis, Minnesota
National Ground Water Quality Symposium 1978 : Minneapolis, Minn.)
Robert S. Kerr Environmental Research Laboratory
v, 173 pages : illustrations, maps ; 28 cm.
cosponsored by the U.S. Environmental Protection Agency and the National Water Well Association.
Research reporting series. EPA-600/9-79-029