@book{82,
	author = {Anton, Howard and Bivens, Irl},
	title = {Calculus },
	publisher = {Wiley,},
	year = {2002.},
	address = {New York :},
	edition = {7th ed.},
	url = {http://www.paramountbooks.com.pk/loginindex.asp?isbn=9788126512591&opt=3&sUBcAT=04}
}