@book{8888,
	author = {Henisch, Heinz K.},
	title = {Crystals in gels and Liesegang rings :},
	publisher = {Cambridge University Press,},
	year = {1988.},
	address = {Cambridge [England] ;},
	note = {Includes index.},
	url = {http://www.loc.gov/catdir/description/cam023/87017203.html}
}