Popis
Popis jednotky:At head of title: National Cooperative Highway Research Program.
"Transportation Research Board, National Research Council; Research sponsored by the American Association of State Highway and Transportation Officals in cooperation with the Federal Highway Administration."
Fyzický popis:46 p. : ill., maps ; 28 cm.
Bibliografie:Includes bibliographical references (p. 38)
ISBN:0309061164
ISSN:0547-5570 ;