Sider, A. K., Sikder, N., Gandhe, B. R., Agrawal, J. P. and Singh, H. (2002) “Hexanitrohexaazaisowurtzitane or CL-20 in India: Synthesis and Characterisation”, Defence Science Journal, 52(2), pp. 135–146. doi: 10.14429/dsj.52.2158.