http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
National Oceanographic Data Center users guide
National Oceanographic Data Center (U.S.)
1 volume (loose-leaf) : illustrations, maps ; 28 cm.
Includes bibliographical references (section 7, pages 3-10).
Key to oceanographic records documentation ; no. 14