@book{18977,
	author = {Encyclopedia of Mathematics and its applications and Stern, Manfred},
	title = {Semimodular lattices},
	publisher = {Cambridge University Press,},
	year = {1999},
	series = {Encyclopedia of Mathematics and its applications},
	address = {Cambridge:},
	note = {"Purchased under NBHM grant for the year 1999-2000"}
}