1. Metal Fatigue,1959
2. Stress Concentration Factors;Peterson,1974
3. An Engineering Method for Estimating the Notch-Size Effect in Fatigue Tests of Steels;Kuhn;NACA TN 2805,1952
4. Crack closure and the conditions for crack propagation;McEvily,1984
5. On the development of crack closure with crack advance in a ferritic steel;Minakawa;Scripta Metall.,1984