TY  - BOOK
AU  - COCKSHOTT
AU  - WALTERS
TI  - Treatise on geometral conics
U1  - 515/25 
PY  - 1907///
CY  - London
PB  - Macmillan & Co. Ltd.
KW  - Treatise
KW  - on
KW  - geometral
KW  - conics
ER  -