1. Nowotny, H., Kieffer, R., Benesovsky, F., Laube, E.: To the Knowledge about the Partial System UC-ThC; Planseeber. Pulvermet., 5, 102-103 (1957)
2. Cirilli, V., Brisi, C.: Solid Solutions of UC and ThC; Ricerca Sci., 28, 1431 (1958)
3. Ivanov, V.E., Badajeva, T.A.: Phase Diagrams of Certain Ternary Systems of Uranium and Thorium; 2nd Int. Conf. on the Peaceful Uses of Atomic Energy, Geneva, Paper A/CONF.15/P/2043, 6, 139-155 (1958)
4. Laube, E., Nowotny, H.: The system UC-ThC; Monatsh. Chem., 89, 312 (1958)
5. Nowotny, H., Kieffer, R., Benesovsky, F., Laube, E.: Carbides, Silicides and Borides of High Melting Point (in German); Acta Chim. Acad. Sci. Hung., 18, 35-44 (1959)