1. Mardon, P.G., Pearce, J.H., An Investigation of the Neptunium-Uranium System,
J. Less-Common Met., 1, 467-475 (1959)
2. Massalski, T. B. (Ed.), Binary Alloy Phase Diagrams, 2'nd edition, ASM International, Metals Park, Ohio, 1990
3. Villars, P., Calvert, L. D., Pearson's Handbook of Crystallographic Data for Intermetallic Phases, 2'nd edition, ASM, Materials Park, Ohio, 1991
4. For literature more recent than 1991, search the category "Links to Literature" via the periodic table.
5. Villars, P., Calvert, L. D., Pearson's Handbook of Crystallographic Data for Intermetallic Phases, 2'nd edition, ASM, Materials Park, Ohio, 1991