@book{215385,
	author = {Mano, M. Morris,},
	title = {Digital design - (EBOOK)},
	publisher = {Prentice-Hall,},
	year = {c2007},
	address = {Upper Saddle River, NJ :},
	edition = {4th ed.},
	url = {http://www.loc.gov/catdir/toc/fy0710/2007274820.html}
}