TY  - BOOK
AU  - Walmsley,John
ED  - Asutosh Collection (National Library, India)
TI  - Plane trigonometry and logarithms: for schools and colleges 
U1  - 514.5 
PY  - 1879///
CY  - London
PB  - C. F. Hodgson
KW  - Plane trigonometry
KW  - Logarithms
KW  - Trigonometry sums
N1  - With numerous exercise
ER  -