Citation: Volkov, Yu.F.; Tomilin, S.V.; Visyashcheva, G.I.; Kapshukov, I.I. (1979). Study of Carbonate Compounds of Pentavalent Actinides with Alkali Metal Cations. VI. X-ray Structure Investigation of the Compounds Li Np O2 C O3 and Na Np O2 C O3. Radiokhimiya, 21, pp. 668-672.