http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Portable concrete traffic barrier for maintenance operations
Development of portable concrete traffic barriers for maintenance operations
Sponsored by the Texas Dept. of Transportation in cooperation with the Federal Highway Administration
Includes bibliographical references (page 39).
Research report (Austin, Tex.) ; 0-4692-1