Purnapu Rupa, P. K., P. C. Chakraborti, and S. K. Mishra. “Indentation Response and Contact Damage of Hard T-B-N Films Deposited by Magnetron Sputtering”. Eurasian Chemico-Technological Journal 13, no. 1-2 (April 22, 2011): 81–84. Accessed October 9, 2024. https://ect-journal.kz/index.php/ectj/article/view/438.