http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Evaluation of twin trawl shrimp fishing gear
National Oceanic and Atmospheric Administration.
45 leaves : illustrations, tables ; 28 cm. --
Sea Grant publication (Raleigh, N.C.) ; UNC-SG-74-10