http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Lake and reservoir classification systems
Corvallis Environmental Research Laboratory
v, 241 pages : illustrations, maps ; 28 cm.
"Freshwater Division, Corvallis Environmental Research Laboratory."
Research reporting series. EPA-600/3-79-074