http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Dana O. Porter, Russell A. Persyn and Valeen A. Silvy.
"Portions of this publication were adapted from 'Harvesting Rainwater for Landscape Use', 1998, published by the Arizona Department of Water Resources."
Includes bibliographical references (page 28).