http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Texas crash cushion trailer to protect highway maintenance vehicles
Studies of field adaptation of impact attenuation systems
vii, 37 unnumbered pages : illustrations, diagrams ; 28 cm.
"Studies of field adaptation of impact attenuation systems, Research study number 2-8-68-146, sponsored by the Texas Highway Department in cooperation with the U.S. Department of Transportation, Federal Highway Administration."
Research report (Austin, Tex.) ; no. 146-6