Khan, U., N.A. Siddiqui, A. Umar, and H. Abbas. “Local Damage of Plain and Reinforced Concrete Targets under Impact Load”. Defence Science Journal 53, no. 1 (January 1, 2003): 67-73. Accessed August 15, 2020. https://publications.drdo.gov.in/ojs/index.php/dsj/article/view/2131.