@book{26197,
	author = {Cull, Paul and others and Flahive, Mary ; jt. auth.},
	title = {Difference equations },
	publisher = {Springer Science+Business Media, Inc.},
	year = {2005},
	series = {Undergraduate texts in Mathematics},
	address = {New York},
	note = {"Purchased under NBHM grant for the year 2005-2006"}
}