TY  - BOOK
AU  - Loney,S.L.
TI  - Plane trigonometry : : part - 1 / 
U1  - 516.242 23
PY  - 1994///.
CY  - New Delhi : 
PB  - U.B.S. Publishers Distributors. 
KW  - Plane trigonometry.
ER  -