http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
resulting lake trophic state and phosphorus dynamics
x, 91 pages : illustrations, graphs, map ; 28 cm.
Prepared by University of Washington, Seattle, Wash., under research grant R 800512.
Research reporting series. EPA-600/3-77-003