1. U. Zwicker, E. Jahn, and E. Schubert, “A Study of the Manganese — Germanium System,”Z. Metallkd., 40(12), 433–436 (1949) in German. (Equi Diagram, Crys Structure; Experimental; #)
2. J.H. Downing and D. Cubicciotti, “On the Freezing Point Diagram of the Germanium-Manganese System,”J. Am. Chem. Soc, 73(8), 4025 (1951). (Equi Diagram; Experimental)
3. U. Zwicker, “On the Gamma-Phase in Manganese Alloys,”Z. Metallkd., 42, 246–252 (1951) in German. (Equi Diagram, Meta Phases; Experimental)
4. U. Zwicker, “On the Gamma-Phase in Manganese Alloys,”Z. Metallkd., 42, 327–330 (1951) in German. (Equi Diagram; Experimental)
5. L. Castelliz, “Study of Ferromagnetism in Alloys of Transition Metals with Elements of Group-B,”Z.Metallkd., 46 (3), 198–203 (1955) in German. (Crys Structure; Experimental)