000 00305nam a2200121Ia 4500
008 190829s9999||||xx |||||||||||||| ||und||
100 _aKrishnamurthy V.
245 0 _aTrigonometry (Main)
250 _a2 ND ED
260 _bThe National Publishing Co.
_aMadras
_c1960
650 _aTrigonometry
942 _cBK
999 _c7000
_d7000