1. J. A. McGeough, ?Principles of Electrochemical Machining?, Chapman and Hall, London (1974).
2. J. F. Wilson, ?Practice and Theory of Electrochemical Machining?, Wiley Interscience, New York (1971).
3. M. Datta and D. Landolt,Electrochim. Acts 27 (1981) 899.
4. Idem, ibid. 27 (1982) 385.
5. Idem, Swiss Patent applied for.