1. D.W. Breck,Zeolite Molecular Sieves (Wiley, New York, 1974).
2. H. van Bekkum, E.M. Flanigen and J.C. Jansen, eds.,Introduction to Zeolite Science and Practice (Elsevier, Amsterdam, 1991).
3. Y. Izumi, K. Urabe and M. Onaka,Zeolite, Clay and Heteropoly Acid in Organic Reactions (Kodansha/VCH, Tokyo/Weinheim, 1992).
4. C.T. Kresge, M.E. Leonowicz, W.J. Roth, J.C. Vartuli and J.S. Beck, Nature 359 (1992) 710;
5. J.M. Thomas, Nature 368 (1994) 289.