http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Summary of selected computer programs produced by the U.S. Geological Survey for simulation of ground-water flow and quality, 1994
by Charles A. Appel and Thomas E. Reilly.
"U.S. Department of the Interior, U.S. Geological Survey"--Title page verso.
Includes bibliographical references (pages 85-93).