000 00286nam a2200121Ia 4500
008 190711s9999 xx 000 0 und d
082 _a514 K924
100 _aKRISHNAMURTHY,V
245 0 _aTRIGONOMETRY
260 _aMADRAS
_bNATIONAL PUB.CO
_c1960
300 _a18X13
942 _cBK
_2DDC
999 _c10351
_d10351