TY  - BOOK
AU  - Bittinger, Marvin L.
TI  - Precalculus: graphs & models 
SN  - 0201848880
U1  - 512 23
PY  - 1997///
CY  - New York
PB  - Addison-Wesley Pub. Co., 
KW  - Algebra
KW  - Calculus
KW  - Trigonometry
KW  - Graphic methods
N1  - Includes Index
ER  -