http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Catalogue of geoidal varations for simple seafloor topographic features
Sponsored by the National Aeronautics and Space Administration. NASA, NAS6-2585
Woods Hole Oceanographic Institution (Series) ; no. 75-14
Technical report (Woods Hole Oceanographic Institution)