1. A macroscopic model of electro-discharge machining;McGeough;International Journal of Machine Tool Design and Research,1982
2. H. Opitz, Metallurgical aspects and surface characteristics, in: Proceedings of Spark Machining Symposium, Birmingham, 1960, pp. 237–251.
3. M. Barash, M.G. Sri-Ram, Some properties of spark machined heat treated steel, in: Proceedings of 3rd International Machine Tool Design and Research Conference, Birmingham, 1962, pp. 85–91.
4. Metallurgy of spark-machined surfaces;Lloyd;Journal of Iron and Steel Institute,1965
5. Residual stresses and the long term and fatigue strengths of heat-resistant materials after electro-spark machining;Aleksandrov,1965