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2. Arpaci, V.S., Conduction Heat Transfer, Addison-Wesley, Reading, Massachusetts, 1966.
3. Incropera, F.P., and DeWitt, D.P. Introduction to Heat Transfer, 3rd edition, Wiley, New York, 1996.
4. Lardner, T.J., and Pohle, F.P., “Application of Heat-Balance Integral to the Problems of Cylindrical Geometry,” ASME Transactions. J. Applied Mechanics, pp. 310-312, 1961.
5. Goodman, T.R., “Application of Integral Methods to Transient Non-linear Heat Transfer”. In Advances in Heat Transfer, volume 1, 1964, Academic Press, New York.