http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Tips on saving money and energy in your home
Office of Energy Efficiency and Renewable Energy,
1 online resource (47 pages) : color illustrations, color maps
GPO Cataloging Record Distribution Program (CRDP).
Includes bibliographical references (pages 45-47).