@book{63989,
	author = {MacDonald, Iain L. and Zucchini, W.},
	title = {Hidden Markov and other models for discrete-valued time series /},
	publisher = {Chapman & Hall,},
	year = {1997.},
	address = {London ;},
	edition = {1st ed.},
	url = {http://www.loc.gov/catdir/enhancements/fy0731/97142339-d.html}
}