@book{8052,
	author = {Encyclopedia of Mathematics and its applications and Cvetkovic, Dragos},
	title = {Eigenspaces of graphs},
	publisher = {Cambridge University Press,},
	year = {1997},
	series = {Encyclopedia of Mathematics and its applications},
	address = {Cambridge:},
	note = {"Purchased under NBHM grant for the year 1996-97"}
}