@book{6405,
	author = {Liu, Qing,},
	title = {Models for upper levels of a hierarchy},
	publisher = {Henry Stewart Talks,},
	year = {2010.},
	series = {Bayesian analysis in marketing : a breakthrough in customer analytics},
	address = {London :},
	note = {Animated audio-visual presentation with synchronized narration.},
	url = {http://hstalks.com/lib.php?t=HST99.2327&c=250}
}