00613nam0-2200229 --450 991023135990332120171211111035.020171211d1968----km y0itay50 baengUSy 001yyChallenge to reasonC. West ChurchmanNew York [etc.]McGraw-Hillc1968vii, 223 p.21 cmChurchman,Charles West2743ITUNINAREICATUNIMARCBK9910231359903321II 1792172DINEDDINEDChallenge to reason39054UNINA