INTRODUCTION TO OPERATIONS RESEARCH/ HILLIER, FREDERICK - 3RD EDITION - OAKLAND, CALIFORNIA: HOLDEN- DAY INC, 1980 - viii, 827 pages, hardcover, includes bibliographic references and index, ill. : col, 24.2 cm ISBN: 0816238677 LCCN: 7854193 LC Class. No.: T 57.6 .H55 1980 / .H55 1980