@book{30926,
	author = {Mano, M. Morris, and Ciletti, Michael D.},
	title = {Digital design /},
	publisher = {Prentice-Hall,},
	year = {c2007},
	address = {New Delhi :},
	edition = {4th ed.},
	note = {Includes index.},
	url = {http://www.loc.gov/catdir/toc/fy0710/2007274820.html}
}