http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Activity-based travel demand modeling for metropolitan areas in Texas
model components and mathematical formulations
Chandra R. Bhat, Sivaramakrishnan Srinivasan, Jessica Guo.
Sponsored by the Texas Department of Transportation in cooperation with the U.S. Department of Transportation, Federal Highway Administration.
Includes bibliographical references (pages 51-53).