000 00344nam a2200157Ia 4500
008 100324s9999 xx 000 0 und d
245 _aOperations Research
246 _f1981
260 _bNil
_aINDIA
_c1981
300 _cVOL:
_aIssue:
310 _aMONTHLY
366 _b1981
366 _bMay-Jun,July-Aug
650 _aNil
942 _cBV
999 _c49686
_d49686