@book{12527,
	author = {Sperling, Abraham Paul, and Stuart, Monroe.},
	title = {Mathematics made simple /},
	publisher = {Made Simple Books,},
	year = {1991.},
	address = {New York :},
	edition = {5th ed. /},
	note = {Includes index.},
	url = {http://www.loc.gov/catdir/description/random0413/89049249.html}
}