http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Catch records of a trawl survey conducted by the International Pacific Halibut Commission between Unimak Pass and Cape Spencer, Alaska, from May 1961 to April 1963
International Pacific Halibut Commission
Report of the International Pacific Halibut Commission ; no. 36