TY  - GEN
AU  - Casey, John
TI  - A treatise on spherical trigonometry, and its application to geodesy and astronomy: with numerous examples
T2  - Classical Reprint Series - Forgotten Books
SN  - PIBN 1000145404
U1  - 514 
PY  - 1889///
CY  - London
PB  - Dublin: Hodges, Figgis & Co.
ER  -