Seat belt use among 13–15 year olds in primary and secondary enforcement law states
Accident analysis & prevention ; 39 , 3 ; 524-529
2007
Aufsatz (Zeitschrift)
Englisch
Effect on fatality risk of changing from secondary to primary seat belt enforcement
Online Contents | 2005
|The association between enforcement and seat belt use
Elsevier | 1988
|