http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
by M.T. Thomson, W.B. Gannon, M.P. Thomas, G.S. Hayes, and others.
Includes bibliographical references (pages 102-105).
Contributions to the hydrology of the United States
Geological Survey water-supply paper ; 1779-M