000 00325nam a2200145Ia 4500
008 100324s9999 xx 000 0 und d
245 _aOperational Research Quarterly
246 _f1977
260 _bNil
_aINDIA
_c1977
300 _cVOL:
_aIssue:1,2
310 _aMONTHLY
366 _b1977
650 _aNil
942 _cBV
999 _c49514
_d49514