Madhu, V., T. Bhat, and N. Gupta. “Normal and Oblique Impacts of Hard Projectile on Single and Layered Plates-An Experimental Study”. Defence Science Journal 53, no. 2 (April 1, 2003): 147-156. Accessed May 8, 2024. https://publications.drdo.gov.in/ojs/index.php/dsj/article/view/2139.