1. Hours of work, and perceptions of fatigue among truck drivers;Arnold;Accident Analysis and Prevention,1997
2. Estimates of the prevalence and risk of fatigue in fatal accidents involving medium and heavy trucks;Campbell,2002
3. The impacts of multiple rest-break periods on commercial truck driver's crash risk;Chen;Journal of Safety Research,2014
4. Regression models and life-tables;Cox;Journal of the Royal Statistical Society: Series B: Methodological,1972
5. Analysis of survival data;Cox,1984