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040 _aMAIN
041 _aEnglish
082 _a160
100 _aGAUTAM, J.K
245 0 _aScientific Methods
_bScientific Methods, New Delhi : R.Chand, 1973
_cJ.K GAUTAM
260 _c1973
_bR.Chand
_aNew Delhi
942 _cBK
999 _c10228
_d10228