Manual of traffic engineering studies Donald E. Cleveland.

Manylion Llyfryddiaeth
Awduron Corfforaethol:	Institute of Traffic Engineers, Association of Casualty and Surety Companies. Accident Prevention Dept. Manual of traffic engineering studies
Awduron Eraill:	Cleveland, Donald E. ed
Fformat:	Llyfr
Iaith:	English
Cyhoeddwyd:	Washington 1964.
Rhifyn:	3rd ed.
Pynciau:	Traffic engineering. Traffic accidents.