1. Atlas of Zeolite Structure Types;Meier,1992
2. R.M. Barrer, Hydrothermal Chemistry of Zeolites, Academic Press, London, pp. 157.
3. New Developments in Zeolite Science and Technology;Barrer,1986
4. Classification of tectosilicates and systematic nomenclature of clathrate type tectosilicates: a proposal
5. Inclusion Compuonds 5;Gies,1991