http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
comprehensive review of the commercial clam industries in the United States
Conducted by the Delaware Sea Grant Program (DEL-SG-26-76), College of Marine Studies, Newark and Lewes, Delaware, in cooperation with, and under contract to the National Marine Fisheries Service.