1. N. Petric, B. Petric, E. Tkalcec, V. Martinac, N. Bogdanie, M. Mirosevié-Anzulovic, Sci. Sinter., 19(1987)81.
2. S. Yangyun, R. J. Brook, Sci. Sinter., 17(1985)35.
3. A. R. West, Solid State Chemistry and its Applications, John Wiley and Sons, Chichester, New York, Brisbane, Toronto, Singapore, 1984, 5.
4. B. Petric, N. Petrie, Ind. Eng. Chem. Process Des. Dev., 19(1980)329.
5. N. Petric, B. Petric, N. Bogdanié, M. Mirosevié-Anzulovie, E. Tkalcec, V. Martinac, J. Chem. Tech. Biotechnol., 43(1988)139.