TY  - BOOK
AU  - Loney, S. L.
TI  - Plane Trigonometry Part I An Elementary Course, Excluding The Use Of Imaginary Quantities 
SN  - 81-219-0801-9
U1  - 516.24 
PY  - 2008///
CY  - New Delhi
PB  - S. Chand
ER  -