000 00352nam a2200169Ia 4500
008 230819s9999 xx 000 0 und d
082 _a516.24 VIT
100 _aVittal, P R
245 0 _aTrigonometry
250 _a1ed.
260 _aChennai
260 _bMargham
260 _c1988
300 _a178p
650 _aMathemetics
942 _cBK
999 _c122897
_d122895