@book{25185,
	author = {Hass, Joel. and Weir, Maurice D.},
	title = {University calculus /},
	publisher = {Pearson Addison-Wesley,},
	year = {c2007.},
	address = {Boston :},
	note = {Includes index.},
	url = {http://www.loc.gov/catdir/toc/fy0702/2005048720.html}
}