http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Modifications of a three-dimensional ground-water flow model to account for variable water density and effects of multiaquifer wells
Modifications of a three dimensional ground water flow model to account for variable water density and effects of multiaquifer wells
vi, 78 pages : illustrations, map ; 28 cm.
Water-resources investigations report ; 87-4265