00278nam a2200109Ia 4500008004100000100001700041245004400058260002600102650001600128942000700144999001700151190216s9999||||xx |||||||||||||| ||und||  aRamanathan.A 4aThe Conicoids Analytical Solid Geometry  bSubbiah Chetty And Co  aMathematics  cBK  c30554d30554