000 00280nam a2200121Ia 4500
008 230303s9999 xx 000 0 und d
041 _aeng
082 _a569 RAM
100 _aRAMANA (B.V)
245 _aHigher Engineering Mathematics
260 _aNew Delhi
_bTMH
365 _cRs
999 _c211867
_d211867