@book{6318,
	author = {Epp, Susanna S.},
	title = {Discrete mathematics with applications /},
	publisher = {Brooks/Cole Pub Co,},
	year = {1996.},
	address = {[S.l.] :},
	edition = {2nd ed.},
	url = {http://www.amazon.com/exec/obidos/ASIN/0534944469/chopaconline-20}
}