00270nam a2200109Ia 4500082001400000100002100014245002500035260002900060300000900089650002500098700003700123  a516 SIN/G  aSingh, Bhupendra 0aGeometry And Vectore  bPragatiaNew Delhic2002  a636p  aGeometry And Vectore  aGupta, Mukesh : Sudhir K. Pundir