TY  - BOOK
AU  - M'Clelland,William J.
AU  - Preston,Thomas
ED  - Asutosh Collection (National Library, India)
TI  - A treatise on spherical trigonometry: with applications to spherical geometry and numerous examples 
U1  - 514.6 
PY  - 1887///
CY  - London
PB  - Macmillan
KW  - Spherical Trigonometry
N1  - Part I. Second edition
ER  -