1. Shift work and disturbed sleep/wakefulness;Akerstedt;Occupational Medicine,2003
2. Flight Attendant Fatigue, Part I: National Duty, Rest, and Fatigue Survey;Avers,2009
3. Fatigue in Aviation: A Guide to Staying Awake at the Stick;Caldwell,2003
4. Are pilots at risk of accidents due to fatigue?;Goode;Journal of Safety Research,2003
5. Moebus, P., 2008. Scientific and medical evaluation of flight time limitations. Final report 1.0 no. TS.EASA.2007.OP.08 for EASA by Moebus Aviation, Sept. 30.