Singh, R. V., R. Srinivasan, and V. K. Srivastava. “Storable Hypergolic Solid Fuel for Hybrid Rocket Engines”. Defence Science Journal 26, no. 3 (July 1, 2014): 127–132. Accessed June 15, 2025. https://publications.drdo.gov.in/ojs/index.php/dsj/article/view/6636.