1. The significance of fatigue crack closure in fatigue;Elber,1970
2. Effect of R-factor for aluminium and titanium alloys;Katcher;ASTM STP 559,1974
3. Crack growth analysis for arbitrary spectrum loading;Bell;AFFDL-TR-74-129,1974
4. An investigation of the influence of applied stress ratio on fatigue crack propagation in structural steels;Maddox,1978