@book{256019,
	author = {Stewart, James,},
	title = {Single variable calculus :},
	publisher = {Brooks/Cole,},
	year = {c1999.},
	address = {Pacific Grove, Calif. :},
	edition = {4th ed.},
	note = {Includes index.},
	url = {http://www.loc.gov/catdir/enhancements/fy1515/98049805-b.html}
}