1. Dawson, D., Roach, G. Reid, K., & Baker, A. (1997). Australian railways shiftwork and workload study: Final report. University of South Australia, The Centre for Sleep Research, Woodville, SA
2. General Accounting Office (1997). Rail transportation. Federal Railroad Administration's new approach to railroad safety. Publication No. GAO/RCED-97-142, US General Accounting Office, Gaithersburg, MD
3. North American Rail Alertness Partnership strategic plan (April 1997). Available from Jay Sorah, Department of Transportation, Federal Railroad Administration, Office of Safety, 331 Marshall Creek Road, Roanoke, Texas 76262
4. North American Rail Alertness Partnership charter (April 1998). Available from Jay Sorah, Department of Transportation, Federal Railroad Administration, Office of Safety, 331 Marshall Creek Road, Roanoke, Texas 76262
5. Work/rest cycles in railroad operations: Effects of shorter-than 24-hour shift work schedules and on-call schedules on sleep;Pilcher;Ergonomics,2000