Sider, A., Nirmala Sikder, B. Gandhe, J. Agrawal, and Haridwar Singh. “Hexanitrohexaazaisowurtzitane or CL-20 in India: Synthesis and Characterisation”. Defence Science Journal 52, no. 2 (April 1, 2002): 135-146. Accessed July 4, 2020. https://publications.drdo.gov.in/ojs/index.php/dsj/article/view/2158.