000			00338nam a2200133Ia 4500
090			_c2624 _d2624
100			_a Mazumder, A.R.
245			_aPlane trigonometry _cA.R. Mazumder & P.L. Ganguly
260			_aCalcutta : _bOrient, _c1964.
300			_axi,267 p.: _bdia; _c20 cm.
650			_aTrigonometry
700			_aGanguly,P.L.
942			_cBK
999			_c2523 _d2532