TY  - BOOK
AU  -  Sommerville, D.M.Y.
TI  -  Analytical conics
U1  - 516.152 
PY  - 1924///
CY  - London : 
PB  -  G. Bell and Sons, 
KW  - Conic sections
KW  - Geometry, Analytic
N1  - Include Index
ER  -