Helfert,Erick A. Techniques of financial analysis Erick A. Helfert - 7th ed. - Homewood,Boston. IRWIN. 1991. - xv,511p.;ill. includes bibliographical references and index ISBN: 0256079269 Subjects--Topical Terms: Corporation-Finance.Cash flow.Financial statements.Ratio analysis. LC Class. No.: HG 4026 / .H44 1991