TY  - BOOK
AU  - Lachlan,R.
AU  - Fletcher,W.C.
ED  - Asutosh Collection (National Library, India)
TI  - The elements of plane trigonometry
U1  - 514.5 
PY  - 0000///[n.d.]
CY  - London
PB  - Edward Arnold
KW  - Plane trigonometry
KW  - Trigonometry
ER  -