TY  - BOOK
AU  - Coburn,John W.
AU  - Herdlick,J.D.
TI  - Precalculus: graphs and models 
SN  - 9780073519531 (hard copy : alk. paper)
AV  - QA331.3.C6 2012 
PY  - 2012///
CY  - New York
PB  - McGraw-Hill
KW  - Functions-Graphic methods-Textbooks
KW  - Trigonometry-Graphic methods-Textbooks
N1  - Includes index
ER  -