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4. Steady-state thermal transmission properties by means of the heat flow meter, ANSI/ASTM C-518-76, in: “1980 Annual Book of ASTM Standards,” Part 18, American Society for Testing and Materials, Philadelphia, pp. 222-253.
5. A. W. Pratt, Heat transmission in low conductivity materials, in: “Thermal Conductivity,” Vol. 1, R. P. Tye, ed., Academic Press, New York (1969).