1. Cracking and fracture in metals and structures;Christensen,1961
2. Effect of changing stress amplitude on the rate of fatigue crack propagation in two aluminium alloys;Hudson;NASA TND 960,1961
3. Investigation of fatigue crack growth under simple variable amplitude loading;Hudson;NASA TND 5702,1970
4. The significance of fatigue crack closure in fatigue;Elber;ASTM STP,1971
5. Proc. Metals, Institute of Mechanical Engineers;Jenney,1956