Hillier, Frederick S. Introduction to Operations research / Frederick S. Hillier and Gerald J. Lieberman - 7th ed. - New Delhi: Tata McGraw Hill, c2001. - xxix,, 1214 p. : ill., table, figs. photos; 24 cm. Includes bibliographical reference and index. English. ISBN: 0070473870 LCCN: 73094383 Subjects--Topical Terms: Operations research. LC Class. No.: T57.6 / .H54 1974 Dewey Class. No.: 658.4034/HII