1. 62Kri: P. Kripyakevich and V. Evdokimenko,Dop. Akad. Nauk Ukr. RSR 1610−1612 (1962) in Russian; quoted in [64Mcm] (Crys Structure; Experimental)
2. Indicates key reference64Kom: L.N. Komissarova and B.I. Pokrovskii, “Magnesiothermic Reduction of Scandium Flouride”,Russ. J. Inorg. Chem., 9 (10), 1233–1235 (1964). (Equi Diagram; Experimental; Indicates the presence of a phase diagram)
3. 64Kri: P.I. Kripyakevich, V.I. Evdokimenko, E.T. Gladyshevskii, “Compounds with the α-Mn Superstructure in the Rare Earth-Magnesium System”,Kristallografiya, 9 (3), 410–411 (1964) in Russian; TR:Sov. Phys. Crystallogr., 9(3), 330−331 (1964). (Crys Structure; Experimental)
4. 64Mcm: O.D. McMasters and K.A. Gschneidner, Jr.,Compounds of Interest in Nuclear Reactor Technology, J.T. Waber and P. Chiotti, Ed., American Institute of Mining, Metallurgical and Petroleum Engineers, OH (1964). (Crys Structure; Experimental)
5. 65Sch: O. Schob and E. Parthé, “AB Compounds with Sc, Y and Rare Earth Metals. I. Scandium and Yttrium Compounds with CrB and CsCl Structure”,Acta Crystallogr., 19 (2), 214–224 (1965). (rys Structure; Experimental)