1. Neuber, H., Theory of Notch Stresses, Principles for Exact Calculation of Strength With Reference to Structural Form and Material, J. W. Edwards (Ann Arbor, Mich.) (1946).
2. Illg, W., Fatigue Tests on Notched and Unnotched Sheet Specimens of 2024-T3 and 7075-T6 Aluminum Alloys and of SAE 4130 Steel With Special Consideration of the Life Range From 2 to 10,000 Cycles, NACA TN 3866 (1956).
3. Grover, H. J., Bishop, S. M., and Jackson, L. R., Fatigue Strengths of Aircraft Materials. Axial-Load Fatigue Tests on Notched Sheet Specimens of 24S-T3 and 75S-T6 Aluminum Alloys and of SAE 4130 Steel With Stress-Concentration Factors of 2.0 and 4.0, NACA TN 2389 (1951).
4. Grover, H. J., Hyler, W. S., Kuhn, P., Landers, C. B., and Howell, F. M., Axial-Load Fatigue Properties of 24S-T and 75S-T Aluminum Alloy as Determined in Several Laboratories, NACA Report 1190 (1954).
5. Stowell, E. Z., Stress and Strain Concentration at a Circular Hole in an Infinite Plate, NACA TN 2073 (1950).