TY  - BOOK
AU  - Vancil,Christopher N.
TI  - College algebra: a graphical approach 
SN  - 0072356189 :
AV  - QA152.2 .V36
PY  - 1999///
CY  - New York
PB  - McGraw-Hill
KW  - Algebra
KW  - Graphic methods
ER  -