@book{148686,
	author = {Ostebee, Arnold. and Zorn, Paul.},
	title = {Calculus from graphical, numerical, and symbolic points of view /},
	publisher = {Saunders College Publishing,},
	year = {c1994.},
	address = {Fort Worth :},
	edition = {Prelim. ed.},
	note = {Includes index.}
}