000			00352nam a2200157Ia 4500
003			0STCL
008			150530s9999 xx 000 0 und d
040			_aSTCL _cSTCL
100			_aRangachari,M.S.; Ed
245			_aMathematics Teacher Vol-27
260			_c1991
546			_aEnglish
942			_2ddc _cBK
999			_c20539 _d20539
005			20220125165903.0