TY  - BOOK
AU  - Abbott,P.
AU  - Wardle,M.E.
TI  - Trigonometry / 
SN  - 340549130
U1  - 516.24/ABB 
PY  - 1991///
PB  - Teach Yoirself Books
KW  - MATHMATICS
KW  - LOGARITHMES
ER  -