http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Minimizing salt in return flow through irrigation management
Robert S. Kerr Environmental Research Laboratory
by U.S. Salinity Laboratory Staff, Agricultural Research Service, U.S. Dept. of Agriculture.
Interagency project number EPA-IAG-D4-0370.
Research reporting series. EPA-600/2-77-134