Hillier, Frederick S. Introduction to operations research / Frederick S. Hillier, Gerald J. Lieberman. - 8th ed. - London : McGraw Hill Higher Education, 2007. - xxv, 1061 p. : ill. ; 26 cm. + 1 CD-ROM (4 3/4 in.) Includes CD-ROM. ISBN: 9780073211145 0073211141 0071235828x LC Class. No.: T57.6 / .H54 2005 Dewey Class. No.: 658.4034