1. Erichsen, A.M., 1913. Process and Apparatus for Testing Metal Sheets and Plates, GB Patent no. 91228571 (A), 1913, applied 1912-12-11.
2. JIS Z 2247:2006. Method of Erichsen Cupping Test.
3. ISO 20482:2013. Metallic materials—Sheet and Strip—Erichsen Cupping Test.
4. T. Yoshizawa: Trans. Japan Soc. Mech. Eng., 1953, vol. 19, pp. 7-14.
5. T. Yoshizawa: Trans. Japan Soc. Mech. Eng., 1957, vol. 23, pp. 225-229.