1. H.S. Carslaw and J.C. Jaeger: Conduction of Heat in Solids, 2nd ed., Oxford University Press, Oxford, United Kingdom, 1959, chs. VIII and IX.
2. A.V. Luikov: in Analytical Heat Diffusion Theory, J.P. Hartnett, ed., Academic Press, New York, NY, 1968.
3. H. Pfeifer, F.N. Fett, H. Schäfer, and K.-H. Heinen: Stahl Eisen, 1984, vol. 104, pp. 59–67.
4. P.M. Morse and H. Feshbach: Methods of Theoretical Physics, Part I, McGraw-Hill Book Co., New York, NY, 1953, ch. 6.
5. D. Ramkrishna and N.R. Amundson: Chem. Eng. Sci., 1974, vol. 29, pp. 1457–64.