1. W.W. Sanders, Jr. and F.V. Lawrence, Jr.: Fatigue Behavior of Aluminum Alloy Weldments, ASTM STP 648. ASTM, Philadelphia, PA, 1978, p. 22.
2. U. Brandt, F.V. Lawrence, and C.M. Sonsino: Fatigue Fract. Eng. Mater. Struct., 2001, vol. 24, p. 117.
3. P.G. Forrest: Fatigue of Metals, Pergamon Press, Oxford, United Kingdom, 1962, p. 280.
4. T.R. Gurney: Fatigue of Welded Structures, Cambridge University Press, Cambridge, United Kingdom, 1971, p. 215.
5. R.P. Newman: Br. Welding J., 1959, vol. 6, p. 324.