1. 40Bec: A. Beck,The Technology of Magnesium and Its Alloys, F. A. Hughes & Co., London, 78 (1940). (Equi Diagram; Review)
2. 40Now: H. Nowotny, E. Wormnes, and A. Mohrnheim, “Investigation in the Systems Al−Ca, Mg−Ca, and Mg−Zr,”Z. Metallkd., 32, 39–42 (1940) in German. (Equi Diagram, Crys Structure; Experimental)
3. 47Sau: F. Sauerwald, “Phase Diagram of Magnesium-Zirconium,”Z. Anorg. Chem., 255, 212–220 (1947) in German. (Equi Diagram; Experimental; Indicates presence of a phase diagram)
4. 48Sie: G. Siebel, “On the Solubility of Iron, Manganese, and Zirconium in Magnesium and Magnesium Alloys,”Z. Metallkd., 39, 22–27 (1948) in German. (Equi Diagram; Experimental)
5. 49Eml: E. F. Emley, “Non-Metallic Inclusions in Magnesium-Base Alloys Containing Zirconium,”J. Inst. Met., 75, 481–512 (1948–1949). (Equi Diagram; Experimental)