000 00221 a2200097 4500
001 18888
100 _aSmith C
245 _aConic sections co-ordinate Geometry
260 _a
_bMacmillan &Co
_c1948
090 _c13977
_d13977
942 _aNUST-CAE
_cM
_c4421
999 _c253961
_d253961