1. 62Arb: J. Arbuckle and E. Parthe, “The Crystal Structures of Sc5Si3, Sc5Ge3, La5Ge3, and Ce5Ge3”,Acta Crystallogr., 15, 1205–1207 (1962). (Crys Structure; Experimental)
2. 64Gla1: E.I. Gladyshevskii, “Compounds of the Mn5Si3 Type in Alloys of Rare Earth Metals With Germanium”,Zh. Strukt. Khim. 5, 919–912 (1964) in Russian; TR:J. Struct. Chem., 5, 852–853 (1964). (Crys Structure; Experimental)
3. 64Gla2: E.I. Gladyshevskii, “Crystal Structure of the Digermanides of the Rare Earth Elements,”Zh. Strukt. Khim., 5, 568–575 (1964) in Russian; TR:J. Struct. Chem., 5, 523–529 (1964). (Crys Structure; Experimental)
4. 64Gla3: E.I. Gladyshevskii, “Crystal Structure of Silicides and Germanides of the Rare Earth Metals”,Izv. Nauka, 141–143 (1964) in Russian; TR:U.S. Dept. Commerce JPRS-28849, 184–187 (1964). (Crys Structure; Experimental)
5. 64Rug: A.F. Ruggiero and G.L. Olcese, “Some Magnetic Properties of Cerium Intermetallic Compounds. IV. The Systems Ce−Si, Ce−Ge, Ce−Sn, and Ce−Pb”,Atti Accad. Nazl. Lincei, Rend., 37, 169–174 (1964) in Italian. (Equi Diagram; Experimental)