http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
NASA's contributions to aircraft propulsion
1 online resource (xii, 302 pages) : illustrations.
GPO Cataloging Record Distribution Program (CRDP).
Includes bibliographical references (pages 239-271)and index.
National Aeronautics and Space Administration