Multivariable calculus - McCallum, William G.; Flath, Daniel; Gleason, Andrew M; Gordon, Sheldon P; Mumford, David; Osgood, Brad G; Hughes-Hallett, Deborah; Quinney, Douglas; Raskind, Wayne; Tecosky-Feldman, Jeff; Thrash, Joe B; Tucker, Thomas W (John Wiley, 1997)