@book{10647,
	author = {Rosen, Kenneth H.},
	title = {Discrete Mathematics And It's Applications },
	publisher = {Tata  McGraw-Hill,},
	year = {2008.},
	address = {New Delhi:},
	edition = {6th ed.},
	url = {http://10.10.170.122:8080/browse/book/21191}
}