000 00269nam a2200109Ia 4500
008 220201s1959 xx 000 0 eng d
082 _a519.28
_bSAS-O
100 _aSASIENI MAURICE
245 0 _aOPERATIONAL RESEARCH : METHODS & PROBLEMS
260 _c1959
942 _2ddc
999 _c30508
_d30508