TY  - BOOK
AU  - Emtage,O.
ED  - Asutosh Collection (National Library, India)
TI  - Key to cockshoot and Walter's geometrical conics
U1  - 516.9 
PY  - 1897///
CY  - London
PB  - Macmillan
KW  - Conic sections
KW  - Problems, exercises, etc
KW  - Trigonometry
ER  -