http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
fourth STD/Ocean Systems Conference : January 19-21, 1977, San Diego, California
STD/Ocean Systems Conference 1977 : San Diego, Calif.)
ix, 148, 17 pages : illustrations, maps ; 22 cm.
sponsored by Plessey Environmental Systems.