1. RM Barrer. Zeolites and clay minerals as sorbents and molecular sieves. London: Academic Press, 1978, p23.
2. EM Flanigen. In: LVC Rees, ed. Proceedings of Fifth International Conference on Zeolites. London: Hezden. 1980, p760.
3. FA Mumpton. Proc Natl Acad Sci USA 96:3463-3471, 1999.
4. Long-Term Chemical and Biological Stability of Surfactant-Modified Zeolite
5. H Liu, HM Kao, CP Grey. In: MJM Treacy, BK Marcus, ME Bisher, JB Higgins, eds, Proc. 12th Int. Conf. Zeolites. Warrendale, PA: Material Research Society, 1999, p2317.