TY  - BOOK
AU  - Bittinger, Marvin L.
AU  - Beecher A. Judith
AU  - Penna, Judith A.
AU  - David Ellenbogen
TI  - Algebra and trigonometry : : graphs and models
SN  - 0201616734
AV  - QA154.2 .A3124 2000 
PY  - 2001///
CY  - Boston : 
PB  - Addison-Wesley, 
KW  - Algebra -- Graphic methods
KW  -  Trigonometry. 
KW  - Algebra.
ER  -