@book{5216,
	author = {Joshi, K. D.},
	title = {Foundations of discrete mathematics /},
	editor = {Prabhat Press)},
	publisher = {Wiley ;},
	year = {1989.},
	address = {New York :},
	note = {Includes index.},
	url = {http://www.loc.gov/catdir/description/wiley037/88014811.html}
}