1. D.W. Breck, Zeolite Molecular Sieves (Wiley, New York, 1974), pp. 92–107
2. J. A. Rabo, Zeolite Chemistry and Catalysis (ACS Monograph No. 171, American Chemical Society, Washington, DC, 1976)
3. R.M. Barrer, Zeolites and Clay Minerals as Sorbents and Molecular Sieves (Academic Press, Waltham, 1978), pp. 371–379
4. B.C. Gates, J.R. Katzer, G.C.A. Schuit, Chemistry of Catalytic Processes (McGraw Hill, New York, 1979)
5. S. Bhatia, Zeolite Catalysis: Principles and Applications (CRC Press Inc, Boca Raton, 1988), pp. 1–2