TY - BOOK AU - Hillier,Frederick S. AU - Lieberman,Gerald J. TI - Operations research SN - 0816238561 U1 - 001.424 21 PY - 1974/// CY - San Francisco PB - Holden-Day KW - Operations research N1 - Edition for 1967 published under title: Introduction to operations research; Includes bibliographical references and index ER -