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2. D. Kunii, O. Levenspiel, Fluidization Engineering, 2nd edn., Butterworth-Heinemann, 1991, Chap. 3, Eqs. (19) and (28), pp. 67–68; Chap. 15, pp. 374–375, pp. 385–388.
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4. R.H. Perry, D.W. Green, Perry's Chemical Engineers' Handbook, 6th edn., ISBN 0-07-049479-7, McGraw-Hill, 1984, pp. 20–58.
5. M. Kwauk, Fluidization—Idealized and Bubbleless, with Applications, Science Press (Beijing) and Ellis Horwood (UK), 1992, Chap. 3, pp. 24–25; Chap. 7, pp. 113–116.