@book{30859,
	author = {Kato, Kazuya and Usui, Sampei and Usui, Sampei ; jt. auth.},
	title = {Classifying spaces of degenerating polarized hodge structures},
	publisher = {Princeton University Press},
	year = {2009},
	series = {Annals of Mathematics studies },
	address = {New Jersey},
	note = {"Purchased under NBHM grant for the year 2009-2010"}
}