1. Stress and Strain Concentration at a Circular Hole in an Infinite Plate;Stowell;NACA Technical Note No. 2073,1950
2. A Study of Elastic and Plastic Stress Concentration Factors Due to Notches and Fillets in Flat Plates;Hardrath;NACA Technical Note 2566,1951
3. Analysis of Stresses in the Plastic Range Around a Circular Hole in a Plate Subjected to Uniaxial Tension;Budiansky;NACA Technical Note No. 3542,1955
4. Creep Relaxation for Combined Stresses;Griffith;J. Mech. Phys. Solids,1956
5. Creep in Metallic and Non-metallic Materials;Orowan,1953