TY  - BOOK
AU  - C.Smith.,
TI  - Conic section co-ordinate geometry
U1  - 516.15 
PY  - 1956///
CY  - London
PB  - Macmillan and company limited
KW  - MCE
N1  - 0; 0; 0; 516_150000000000000_SMI
ER  -