1. Designing by Photoelasticity;Heywood,1952
2. Designing against Fatigue;Heywood,1962
3. Japanese Industrial Standards Committee. (1983). JIS B 8250 Alternative Standard for Construction of Pressure Vessels. Jap. Standards Assoc.
4. Neuber, H. (1958). Kerbspannungslehre. A. Aufl. pp. 163–166.