1. Cannon, D.F., Sinclair, J., and Sharp, K.A., “Improving the Fatigue Performance of Bolt Holes in Railway Rails by Cold Expansion.” Presented at: Fatigue Corrosion Cracking, Fracture Mechanics and Failure Analysis, International Conference and Exposition, December 1985, Salt Lake City, Utah USA.
2. Lindh, D.V., Taylor, R.D., and Rose, D.M., “Sleeve Expansion of Bolt Holes in Railroad Rail,” U.S. Department of Transportation, Final Report, December 1977.
3. Broken Rails: A Major Cause of Train Accidents, U.S. Department of Transportation NTSB RSS-74–1, January 1974.
4. Zarembski, A.M., “Track Caused Derailments,” RT&S, October 1990.
5. “Accident/Incident Bulletin, Calendar Year 1988,” U.S. Department of Transportation, Federal Railroad Administration, Office of Safety, Bulletin No. 157, June 1989.