1. Gramlich-Meier, R. and W.M. Meier, J. of Solid State Chemistry, 44, (1982), 41.
2. Barrer, R.M., Zeolites and Clay Minerals as Sorbents and Molecular Sieves, (London, Academic Press, 1978) pp. 353 et seq.
3. Ref. 2, pp. 307 et seq.
4. Ref. 2, pp. 398 et seq.
5. Barrer, R.M., Hydrothermal Chemistry of Zeolites (London, Academic Press, 1982), Chap. 7.