http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Implementation of numerical ground image system
vii, 27 leaves : illustrations, diagrams (folded) ; 28 cm.
"Implementation of numerical ground image system, Research study 1-19-71-186, conducted by Division of Automation, Texas Highway Department in cooperation with the U.S. Department of Transportation, Federal Highway Administration."
Departmental research report (Texas. State Department of Highways and Public Transportation) ; no. 186-1