1. J. Sinclair and K. J. Sawley, British Rail Research, Derby, personal communication, September 1989.
2. Wear and contact fatigue model for railway rail;Kalousek;National Research Council for Canada Tech. Rep. TR-WE-50, NRC No. 27491, TDC No. TP8344E,1986
3. Surface damage phenomena in rails;Clayton,1983
4. Rolling contact fatigue of a rail steel;Clayton,1987
5. The influence of crack face friction and trapped fluid on surface initiated rolling contact fatigue cracks;Bower,1987