Cover image for Traffic research problem statements, presented at the 31st annual meeting, January 14-18, 1952.
Traffic research problem statements, presented at the 31st annual meeting, January 14-18, 1952.
Title:
Traffic research problem statements, presented at the 31st annual meeting, January 14-18, 1952.
Author:
National Research Council (U.S.). Highway Research Board.
Physical Description:
33 pages: ill.; 25 cm.
Series:
Its Special report, no. 3

National Research Council (U.S.). Special report ; no. 3.
Holds: Copies: