TY  - BOOK
AU  - Swokowski,Earl W.
AU  - Cole,Jeffrey A.
TI  - Precalculus : : functions and graphs / 
SN  - 049538321X   
PY  - 2008///
CY  - Australia
PB  - Thomson Brooks/Cole, 
KW  - Algebra
KW  - Graphic methods
KW  - Functions
KW  - Trigonometry
ER  -