@book{18802,
	author = {Bartholomew, David J. and Knott, Martin and Knott, Martin ; jt. auth.},
	title = {Latent variable models and factor analysis},
	publisher = {Arnold-Heinemann},
	year = {1999},
	series = {Kendall's Library of Statistics},
	address = {London},
	edition = {2nd}
}