http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Improving the army planning, programming, budgeting, and execution system (PPBES)
Leslie Lewis, Roger Allen Brown, John Y. Schrader.
"Prepared for the United States Army by RAND's Arroyo Center."
Includes bibliographical references (pages 89-90).