1. N. C. Johnson Y. Tran L. Lee S. Turner L. Nock D. Chiera JANNAF Propellant Development and Characterization Meeting Proceedings, Characterization and Formulation of CL-20 1992
2. A. T. Nielsen M. L. Chan K. J. Krautle C. K. Lowe-Ma R. A. Hollins M. P. Nadler R. A. Nissan W. P. Morris D. J. Vanderah R. Y. Yee NWC TP 7020, Polynitropolyaza Caged Explosives Part 7 1989
3. C. L. Coon CL-20: A Promising New Energetic Material, CL-20 Recrystallization Studies 1991
4. Polymorphism in hexanitrohexaazaisowurtzitane crystallized from solution