@book{1062,
	author = {Rosen, Kenneth H.},
	title = {Discrete mathematics and its applications /},
	publisher = {McGraw-Hill,},
	year = {c2003.},
	address = {New Delhi :},
	edition = {5th ed.},
	url = {http://www.loc.gov/catdir/toc/mh031/2002070890.html}
}