Mondal, Krishnendu, Santanu Das, and Bijoy Mandal. “An Investigation on Machining of Hard AISI 4340 Steel under Varying Environmental Conditions”. Manufacturing Technology Today 20, no. 7-8 (July 1, 2021): 26–44. Accessed September 18, 2024. https://mtt.cmti.res.in/index.php/journal/article/view/10.