000 00253nam a2200109Ia 4500
008 190129s9999 xx 000 0 und d
100 _aHILLER(FREDERICK)
245 0 _aOTHERS OPERATION RESARCH
250 _a9
260 _bN.D.MCGAWTER
_c2015
942 _cBK
999 _c9796
_d9796