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2. Kanavets, P. I., Klimov, B. K., and Chibisova, K. I., Transactions of the First Congress of Thermography, Kazan, 1953, Berg, L. G., ed., 143 (Akad. Nauk S.S.S.R., 1955).
3. McLaughlin, R. J. W., “The Differential Thermal Investigation of Clays”, Mackenzie, R. C., ed., 364 (Mineralogical Society, London, 1957).