Bagwan, J., M. Shaikh, B. Rajiv, and B. Ahuja. “Machinability of Cryogenically Treated Workpiece (AISI M2 HSS) in Edm Process”. Manufacturing Technology Today, vol. 17, no. 4, Apr. 2018, pp. 3-7, https://mtt.cmti.res.in/index.php/journal/article/view/276.