TY  - BOOK
AU  - Waits, Bert K.
AU  - Clemens, Stanley R.
AU  - Foley, Gregory D.
AU  - Demana, Franklin D.
TI  - Precalculus: a graphing approach 
SN  - 0201822970
AV  - QA 154.2 D43 1996 
PY  - 1996///
CY  - Reading, Mass.
PB  -  Addison-Wesley
KW  - Algebra
KW  - Trigonometry
ER  -