Balaji, V., S. Ravi, and P. Naveen Chandran. “Evaluation of Cryogenic CO<sub>2</sub> As a Coolant and Optimization of Surface Roughness in Conventional Milling of HCHCR (AISI D3) Die Steel and CVD TiN Coated Insert Using Taguchi Technique”. Journal of Surface Science and Technology 33, no. 1-2 (July 24, 2017): 34–43. Accessed March 29, 2023.