Purkayastha, D. C., M. Singh, and V. K. Jain. “On Dispersion of B.L. 7.2 in Howitzer”. Defence Science Journal 6, no. 1 (May 26, 2014): 60–62. Accessed June 16, 2025. https://publications.drdo.gov.in/ojs/index.php/dsj/article/view/7537.