Reflectors and night visibility : presented at the Twenty-ninth Annual Meeting, 1949.
Title:
Reflectors and night visibility : presented at the Twenty-ninth Annual Meeting, 1949.
Author:
National Research Council (U.S.). Highway Research Board.
Corporate Author:
Publication Information:
Washington : Highway Research Board, 1951.
Physical Description:
iii, 54 p. : ill. ; 25 cm.
Series:
National Research Council (U.S.). Highway Research Board. Bulletin, no. 34.
Bulletin (National Research Council (U.S.). Highway Research Board), 34.