Hillier, Frederick S. Introduction to operations research / Frederick S. Hillier, Gerald J. Lieberman. - 6th ed. - New York: McGraw-Hill, [1995]. - xix, 998 p. : ill., map ; 24 cm. - McGraw-Hill series in industrial engineering and management science . Includes bibliographical references and indexes. ISBN: 0071139893 Subjects--Topical Terms: Operations research Dewey Class. No.: 658.4034