Ehrbar, Al. EVA : the real key to creating wealth / Real key to creating wealth Al Ehrbar. - New York : Wiley, c1998. - xix, 234 p. : ill. ; 24 cm. Includes index. ISBN: 0471298603 (cloth : alk. paper) Subjects--Topical Terms: Economic value added. Dewey Class. No.: 658.15 / EHR