1. El-Hofy, Hassan Abdel-Gawad, Advanced machining processes, Non-traditional and Hybrid machining processes, Tata Mc Graw-Hill, 2005, pp. 115–121.
2. K.P. Rajurkar, G.U. Lin, Recent Research and Developments in Hybrid machining processes, in: Proc. of 3rd Intl. & 24th AIMTDR Conf., Visakhapatanam, 2010, pp. 39–43.
3. Micro-EDM drilling of tapered holes for industrial applications;Diver;J. Mater. Process. Technol.,2004
4. Experimental investigation and empirical modeling of the dry electric discharge machining process;Saha;Int. J. Mach. Tools Manuf.,2009
5. Experimental characterization of material removal in dry electrical discharge drilling;Govindan;Int. J. Mach. Tools Manuf.,2010