@book{27389,
	author = {Morris, Dave Witte},
	title = {Ratner's theorems on unipotent flows},
	publisher = {University of Chicago Press,},
	year = {2005},
	series = {Chicago lectures in Mathematics series},
	address = {Chicago:},
	note = {"Purchased under NBHM grant for the year 2005-2006"}
}