Road user and vehicle characteristics 4 reports.

Sonraí bibleagrafaíochta
Údair chorparáideacha:	National Research Council (U.S.). Highway Research Board, National Research Council (U.S.). Highway Research Board. Meeting, National Research Council (U.S.). Committee on Highway Safety, National Research Council (U.S.). Highway Research Board. Committee on Vehicle Characteristics, National Research Council (U.S.). Highway Research Board. Committee on Road User Characteristics
Formáid:	LEABHAR
Teanga:	Béarla
Foilsithe / Cruthaithe:	Washington, D.C. Highway Research Board 1967.
Sraith:	Highway research record no. 159. Publication (National Research Council (U.S.)) no. 1436.
Ábhair:	Tractor trailer combinations. Automobile drivers > Psychology. Air bag restraint systems. car following.