TY  - BOOK
AU  - Coburn, John W.
AU  - Herdlick, J. D.
TI  - Precalculus: Graphs and Models
SN  - 9780077230524
U1  - 515 
PY  - 2012///
CY  - New  York
PB  - Mc Graw Hill
KW  - Calculus
ER  -