1. Vogel, R., Hillen, F., Iron - Iron Sulfide - Aluminium Sulfide - Aluminium Phase Diagram (in German), Arch. Eisenhuettenwes., 15, 551-556 (1942), doi:10.1002/srin.194200361
2. Flahaut, J., Chimie Minerale - Etude de Quelques Thioaluminates (in French), Compt. Rend. Acad. Sci. Paris, Ser. 2, 233, 1279-1281 (1951)
3. Flahaut, J., Study of the Aluminium-Sulfur-System (in French), Ann. Chim., 7, 632-695 (1952).
4. Sherman, C.W., Chipman, J., Activity of Sulphur in Liquid Iron and Steel, J. Metals, 4, 597-602 (1952), doi:10.1007/BF03397725
5. Oelsen, W., Schürmann, E., Maetz, H., Result of De-Mixing on the Equilibrium of Metal/Slag (in German). Z. Erzberg u. Metallhüttenwes., 6, 128-137 (1953)