000 00322nam a2200109Ia 45e0
008 181001s1959 xx 000 0 und d
100 _aSasieni Yaspan
245 0 _aOperation Research Methods & Problems
260 _bWiley Toppan
_c1959
300 _a316
942 _2ddc
_cBK
999 _c1022
_d1022