http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Delineation of concrete safety-shaped barriers
State Department of Highways and Public Transportation.
xi, 84 pages : illustrations, charts ; 28 cm.
by Gerald L. Ullman, Conrad L. Dudek, Carlton J. Allen ; sponsored by Texas State Department of Highways and Public Transportation in cooperation with U.S. Department of Transportation, Federal Highway Administration.
Sponsored by Texas State Dept. of Highways & Public Transportation. Study no.2-18-86-408.