TY  - BOOK
AU  - Wells, Dave
AU  - Tilson,Lynn
TI  - Precalculus: a view of the world around us 
SN  - 0024254517
PY  - 1998///
CY  - Upper Saddle River, NJ
PB  -  Prentice Hall
KW  - Functions
N1  - Includes index
ER  -