1. High Speed Blanking of Copper, Applied Mechanics Convention (Cambridge);Johnson,1966
2. High speed blanking of steel;Johnson,1968
3. A preliminary investigation of high-speed blanking and piercing of metals;Davies,1966
4. R. Davies and S.M. Dhawan, Further developments in high-speed blanking of metals, Proc. Int. MTDR Conf., Sept. 1966, pp. 67–79.
5. A survey of the slow and fast blanking of metals at ambient and high temperatures;Johnson,1967