000 00295nam a2200121Ia 4500
008 190711s9999 xx 000 0 und d
082 _a517.7 C563
100 _aCHURCHILL.R.V
245 0 _aOPERATIONAL MATHEMATICS
260 _aNEW YORK
_bMcGraw-Hill
_c1958
300 _a23X15
942 _cBK
_2DDC
999 _c12970
_d12970