1. Chaykovsky M, Koppes WM. Synthesis of Energetic Materials, Annual Progress Rept., ADA199472, NSWC, Silver Spring, MD, Dec. 1988.
2. cis-2,4,6,8-Tetranitro-1H,5H-2,4,6,8-tetraazabicyclo [3.3.0]octane, the Energetic Compound “bicyclo-HMX”;Gilardi;Acta Cryst Sect,2002
3. Method for the synthesis of polycyclic nitramines;Sysolyatin;Russ Chem Rev,2007
4. Synthesis of polycyclic nitramines by nitration of condensation products of glyoxal and formaldehyde with sulfamic acid salts;Sysolyatin,2006
5. Process for preparation of 2, 4, 6, 8- tetranitro- 2, 4, 6, 8- tetraazabicyclo[3.3.0] octane by nitration of the corresponding tetrasulfonate salts with nitric acid and nitric anhydride;Lobanova;Russ Pat RU,2012