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999 _c826495
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003 OSt
020 _a9789351382874
082 _a513.3 BAL
100 _aBali N P
245 _aSolid Geometry
250 _a1
260 _aNew Delhi
_bFirewall Media
_c2012
300 _a635
440 _aSolid Geometry
650 _aGeometry
942 _2ddc
_cBK