@book{3780,
	author = {Downing, Douglas.},
	title = {Calculus the easy way /},
	publisher = {Barron's Educational Series,},
	year = {1996.},
	address = {Hauppauge, NY :},
	edition = {3rd ed.},
	note = {Includes index.},
	url = {http://www.loc.gov/catdir/enhancements/fy0630/95021994-d.html}
}