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040 _aMAIN
041 _aEnglish
100 _aBHUSHAN, Y.K.
245 0 _aScientific Method
_bScientific Method, New Delhi : R.Chand, 1973
_cY.K. BHUSHAN
260 _c1973
_bR.Chand
_aNew Delhi
942 _cBK
999 _c62689
_d62689