http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
low-cost improvement for alewife (herring) passageways
University of Massachusetts, Wareham, Massachusetts
by Robert W. Day, John W. Zahradnik, and Arthur B. Clifton.
A joint project of the M.I.T. Sea Grant Program and the University of Massachusetts Aquacultural Engineering Laboratory.
MIT Sea Grant College Program report ; no. MITSG 75-6