TY  - BOOK
AU  - Bittinger, Marvin L  .
TI  - Algebra and trigonometry: graphs and models / 
SN  - 0-201-84888-0
U1  - B2ObT4 
PY  - 1995///
CY  - Singapore : 
PB  - Addison-Wesley , 
KW  - Algebra-Graphic methods
ER  -