00345nam a2200121Ia 4500008004100000082001500041100002200056245003500078260004700113300001000160630001800170650003500188211109s9999||||xx |||||||||||||| ||und||  a516bCOC-T  aCockshoot, Arthur 0aTreatise On Geometrical Conics  bMacmillan and Co., LimitedaKingstonc1994  a259p.  xGeneral Stack  aGEOMETRYvSciencexMathematics