@book{2514,
	author = {Haggard, Gary. and Schlipf, John.},
	title = {Discrete mathematics for computer science /},
	publisher = {Thomson Brooks/Cole,},
	year = {c2006.},
	address = {Belmont, CA :},
	note = {Includes index.},
	url = {http://www.loc.gov/catdir/enhancements/fy1103/2004113828-b.html}
}