1. E. J. Huber, E.L. Head, and C.E. Holley, “The Heat of Combustion of Yttrium,”J. Phys. Chem., 61, 497–498 (1957). (Thermo; Experimental)
2. B. Love, “Properties of Yttrium and the Rare Earth Metals-Oxygen and Alloy Systems,” USAEC Rep. WADD TR61-123(1961). (Equi Diagram; Experimental; #)
3. S.J. Schneider, “Compilation of the Melting Points of the Metal Oxides,” Natl. Bur. Std. (US) Monograph 68, 30–31 (1963). (Equi Diagram; Compilation)
4. C.E. Wicks and F.E. Block, “Thermodynamic Properties of 65 Elements: Their Oxides, Halides, Carbides and Nitrides,” US Bur. Mines Bull. 605 (1963). (Thermo;Compilation)
5. R.J. Ackermann, E.G. Rauh, and R.J. Thorn, “Thermodynamic Properties of Gaseous Yttrium Monoxide, Correlation of Bonding in Group III Transition-Metal Monoxides,”J. Chem. Phys., 40, 883–889 (1964). (Thermo; Experimental)