@book{27717,
	author = {Bekkum, Herman van and Summer School on Zeolites},
	title = {Introduction to zeolite science and practice /},
	publisher = {Elsevier,},
	year = {1991.},
	series = {Studies in surface science and catalysis ;},
	address = {Amsterdam ;},
	note = {Based on proceedings of the Summer School on Zeolites held in 1989 at Zeist, Netherlands.},
	url = {http://www.loc.gov/catdir/enhancements/fy0601/90024298-d.html}
}