TY  - BOOK
AU  - Hornsby, E. John
AU  - Lial, Margaret L
TI  - A graphical approach to precalculus
SN  - 9780321357830
U1  - 512.1HOR 
PY  - 2007///
CY  - Boston, MA
PB  - Pearson, Addison-Wesley
KW  - Mathematics
ER  -