http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
roadmap to a low-carbon urban water utility
an international guide to the WaCCliM approach
Water and Wastewater Companies for Climate Mitigation
Simone Ballard, Jose Porro, Corinne Trommsdorf.
Includes bibliographical references (page 44).