Sider, A., Nirmala Sikder, B. Gandhe, J. Agrawal, and Haridwar Singh. 2002. “Hexanitrohexaazaisowurtzitane or CL-20 in India: Synthesis and Characterisation”. Defence Science Journal 52 (2), 135-46. https://doi.org/10.14429/dsj.52.2158.