@book{15172,
	author = {Don, Eugene. and Don, Benay.},
	title = {How to solve word problems in calculus :},
	publisher = {McGraw-Hill,},
	year = {c2001.},
	address = {New York :},
	url = {http://www.loc.gov/catdir/bios/mh041/2001030861.html}
}