@book{9172,
	author = {McLachlan, Geoffrey J., and Krishnan, T.},
	title = {The EM algorithm and extensions /},
	publisher = {Wiley,},
	year = {c1997.},
	series = {Wiley series in probability and statistics. Applied probability and statistics},
	address = {New York :},
	note = {"A Wiley-Interscience publication."},
	url = {http://www.loc.gov/catdir/description/wiley034/96038417.html}
}