000 00269nam a2200121Ia 4500
008 190516s9999 xx 000 0 und d
082 _a338.5
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100 _aKANTI SWARUP
245 0 _aOPERATION RESEARCH
260 _c2000
_bS .CHAND
300 _a815
942 _cBK
999 _c18635
_d18635