000 00315nam a2200133Ia 4500
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040 _aMAIN
041 _aEnglish
082 _a510
100 _aVISHWA, NATH
_93405
245 0 _aEngineering Mathematics Revd.
260 _c1962
_bTech Ind, New Delhi
942 _cBK
999 _c33870
_d33870