http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Factors influencing equilibrium of a model sand beach
National Oceanic and Atmospheric Administration.
by David C, Smith,IV, John Herbich, and Thomas W. Spence.
Report (Texas A & M University. Coastal and Ocean Engineering Division) ; no. 189