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020			_c16
040			_aMAIN
041			_aEnglish
082			_a516.16 _bDAS
100			_aDas, B. C. and Mukherjee, B. N.
245			_aHigher secondary co-ordinate geometry
250			_a5th ed.
260			_aCalcutta _bU. N. Dhur and sons
300			_a200p.
650			_aGeometry
650			_aMathematics
942			_cBK
999			_c30660 _d30660