Riggs, James L. Production systems : planning, analysis, and control / James L. Riggs. - 4th ed. - New York : Wiley, c1987. - xxi, 745 p. : ill. - Wiley series in production/operations management . Includes bibliographies and index. ISBN: 0471847933 Subjects--Topical Terms: Production management. LC Class. No.: TS155 / .R45 1987 Dewey Class. No.: 658.5�19