http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Resistance of a drilled shaft footing to overturning loads, model tests and correlation with theory
Design of footings for minor service structures
by Don L. Ivey, Kenneth J. Koch, and Carl F. Raba, Jr.
"Design of footings for minor service structures, Research study number 2-5-67-105, sponsored by the Texas Highway Department in cooperation with the U.S. Department of Transportation, Federal Highway Administration, Bureau of Public Roads."