@book{13611,
	author = {Yusuf S.M.},
	title = {Calculus with analytic geometry /},
	publisher = {,},
	year = {1985.},
	address = {Lahore},
	edition = {2nd ed.},
	url = {http://www.amazon.com/exec/obidos/ASIN/0070576424/chopaconline-20}
}