1. W.H. Bragg, “The Structure of the Spinel Group of Crystals,”Nature, 95,561 (1915). (CrysStructure; Experimental)
2. G. Chaudron, “Reversible Reactions of Carbon Monoxide on the Oxides of ton,”C. R. Acad. Sci. (Paris), 172, 152–155 (1921) in French. (Equi Diagram, Thermo; Experimental)
3. G. Chaudron, “Study of Some Reversible Reactions of Hydrogen and Carbon Monoxide on Metallic Oxides,”Ann. Own.,16, 221–281 (1921)in French. (Thermo; Experimental)
4. A. Matsubara, “Chemical Equilibrm Between Iron, Carbon, and Oxygen,”Trans. AIME, 67, 3–54(1922). (Thermo; Experimental)
5. E.D. Eastman and R.M. Evans, “Equilibria Involving the Oxides of Iron,”J. Am. Chem. Soc.,46, 888–903 (1924). (Thermo; Ex- perimental)