1. Stowell, E. Z., “Stress and Strain Concentration at a Circular Hole in an Infinite Plate,” NACA TN 2073 (Feb. 1950).
2. Hardrath, H. F. and Ohman, L., “A Study of Elastic and Plastic Stress Concentration Factors Due to Notches and Fillets in Flat Plates,” NACA Report 1117 (1953).
3. Neuber, H., “Theory of Stress Concentration for Shear Strained Prismatical Bodies with Arbitrary Non-linear Stress-Strain Law,” Trans. ASME, Jnl. Appl. Mech., 544–550 (Dec. 1961).
4. Crews, J. H. andHardrath, H. F., “A Study of Cyclic Plastic Stresses at a Notch Root,”Experimental Mechanics,6 (6),313–320 (June1966).
5. Kuhn, P. and Figge, I. E., “Unified Notch Strength Analysis for Wrought Aluminum Alloys,” NASA TN D-1259 (May, 1962).