TY  - BOOK
AU  - Hornsby,John
AU  - Lial,Margaret L.
TI  - A GRAPHICAL approach to precalculus with limits: a unit circle approach
SN  - 0321356969
PY  - 2007///
CY  - Boston
PB  - Addison-Wesley
KW  - DKA, DSB, DUT, KKA, DEM, DKP
KW  - Functions
N1  - Includes index
ER  -