00457pamaa2200157 4500 0000032696 20120228090000.0 0071378340 658.151 HEL HG4026 HEL 2001 HELFERT Financial analysis tools and techniques : a guide for managers Erich A. Helfert. New York: McGraw-Hill, 2001. xx, 485p.: ill.; 24cm. Corporations -- Finance Cash Flow