Helfert, Erich A. Techniques of financial analysis / Erich A. Helfert - 7th ed. - Illinois : Irwin, c1991. - xv,511 p. : ill. ; 24 cm. Includes index. ISBN: 0256079269 LCCN: Subjects--Topical Terms: Corporations financeCash flowFinancial statements LC Class. No.: HG4026 / .H44 1991 Dewey Class. No.: 658.151 / H474t