World Traffic Engineering Conference : combining 31st Annual Meeting, Institute of Traffic Engineers, Aug. 21-23, 1961 [and] International Sessions in Traffic Engineering, Aug. 24-26, 1961, Washington, D.C.

Συλλογικό Έργο: World Traffic Engineering Conference Washington, D. C.), Institute of Traffic Engineers.
Μορφή: Βιβλίο
Έκδοση: Washington, D.C: The Institute, [1961].
Θέματα: