http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
User's manual for QWGRAF, computer programs for water-quality graphics
xiii, 265 pages : illustrations ; 28 cm.
by James C. Schornick and Michael C. Place.
Includes bibliographical references (page 212).
Water-resources investigations report ; 97-4226