1. Breck DW (1974) Zeolite molecular sieves, structure, chemistry, and use. Wiley, New York
2. Herron N (1991) In: Atwood JL, Davies JED, MacNicol DD (eds) Inclusion compounds, vol 5, chap 3. Academic Press, Oxford
3. Suib SL (1993) Chem Rev 93:803
4. Hölderich W, Hesse M, Näumann F (1988) Angew Chem Int Ed Engl 27:226
5. Thomas JM (1988) Angew Chem Int Ed Engl 27:1673