1. The significance of fatigue crack closure in fatigue;Elber;ASTM STP,1971
2. A study of crack closure in fatigue;Shih;NASA Report CR-2319,1973
3. Closure behavior of fatigue crack;Homma,1975
4. Influence of applied stress ratio on fatigue crack growth in 6063-T6 Al-alloy;Kumar;Int. J. Pres. Ves. & Piping,1985
5. Crack closure in fatigue crack propagation;Bachmann,1976