@book{28870,
	author = {Anderson, Ia},
	title = {A first course in combinatorial mathematics.},
	publisher = {Clarendon Press,},
	year = {1989.},
	series = {Oxford applied mathematics and computing science},
	address = {Oxford :},
	edition = {2nd ed.},
	note = {Includes Bibliography: p. [131]-132. and index.}
}