1. 34Bur: W. G. Burgers, “The Process of Transition of the Cubic Body-Centered Modification into the Hexagonal Close-Packed Modification of Zirconium”,Physica, 1, 561 (1934). (Meta Phases; Theory)
2. 52Sal: H. A. Saller and F. A. Rough, “A Study of Constitutional Diagrams”, U.S. Atomic Energy Comm., TID-10059, 376 (1952). (Equi Diagram; Experimental)
3. 53Hol: R. B. Holden and B. Kopelman, “The Heat Content and Specific Heat of Zr−Sn Alloy”, U.S. Atomic Energy Comm., Sep-128, No. 102 (1953). (Thermo; Experimental)
4. Indicates key paper.53Mcp: D. J. McPherson and M. Hanson, “The System Zirconium-Tin”,Trans. ASM, 45, 915 (1953). (Equi Diagram, Crys Structure, Thermo; Experimental; Indicates presence of a phase diagram.)
5. 53Now: H. Nowotny and H. Schachner, “Rontgenographische Untersuchungen in den Zirconium-Blei”,Monatsh. Chem., 84, 169 (1953) in German. (Equi Diagram, Crys Structure; Experimental)