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999			_c10278 _d10278
005			20220127122109.0
008			220127b ||||| |||| 00| 0 eng d
041			_aENG
100			_aCHATTERJI, P.N.
245			_aTRIGNOMETRY
260			_aMEERUT _bRAJHANS _c1990
942			_2ddc _cGB