1. Nowotny, H., Henglein, E., “Study of Ternary Alloys with Phosphorus” (in German), Monatsh. Chem., 79, 385–393 (1948) (Crys. Structure, Phase Relations, Experimental, Review, *, 18)
2. Berak, J., Heumann, T., “The Phosphorus-Manganese System” (in German), Z. Metallkd., 41, 19–23 (1950) (Phase Diagram, Phase Relations, Experimental) as quoted by [1955Sul]
3. Vogel, R., Berak, J., “The Iron-Phosphorus-Manganese System” (in German), Arch. Eisenhuettenwes., 23(5-6), 217–223 (1952) (Crys. Structure, Morphology, Phase Diagram, Phase Relations, Experimental, *, 14)
4. Sully, A.H., Manganese, Butterworth Scientific Publications, London, 295pp. (Crys. Structure, Phase Diagram, Phase Relations, Review, Phys. Prop.)
5. Kaneko, H., Nishizawa, T., Tamaki, K., “Phosphide-Phases in Ternary Alloys of Iron, Phosphorus and Other Elements” (in Japanese), Nippon Kinzoku Gakkai-shi, 29(2), 159–165 (1965) (Morphology, Phase Diagram, Phase Relations, Experimental, Review, *, 24)