00811cam a22002411 4500 2638169 BD-DhUL 20140909162622.0 730410s1957 nyua 000 0 eng 57005907 DLC DLC DLC BD-DhUL Q175 .C478 519.9 CHI Churchman, C. West (Charles West), 1913- Introduction to operations research / [by] C. West Churchman, Russell L. Ackoff [and] E. Leonard Arnoff, in collaboration with Leslie C. Edie [and others] New York : Wiley, c1957. x, 645 p. : illus. ; 24 cm. Includes Index. Operations research. Research, Industrial. 7 cbc orignew u ocip 19 y-gencatlg ddc BK 9269 9269 0 0 ddc 0 519_900000000000000_CHI 0 NFIC 16347 DUSL DUSL GEN 2014-09-09 519.9 CHI A12729 2014-09-09 1 2014-09-09 BK 0 0 ddc 0 519_900000000000000_CHI 0 NFIC 16348 DUSL DUSL GEN 2014-09-09 519.9 CHI A15217 2014-09-09 2014-09-09 BK