http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Concentration of heavy metals in sediments of a hydroelectric impoundment
Office of Water Research and Technology.
Montana University Joint Water Resources Research Center
Supported in part by the Office of Water Research and Technology, U.S. Dept. of the Interior.
Report (Montana University Joint Water Resources Research Center) ; no. 75