TY  - BOOK
AU  - Abbott, Percival
TI  - Trigonometry
SN  - 9780071421355
U1  - 516.24 ABB 
PY  - 2010///
CY  - Lincolnwood, IL
PB  - Contemporary Books
KW  - Plane trigonometry
KW  - Trigonometry
ER  -