TY  - BOOK
AU  - Larson,Ron
TI  - Precalculus: a concise course 
SN  - 9781133960744
PY  - 2014///
CY  - Boston, MA
PB  - Brooks Cole/Cengage Learning
KW  - Algebra
KW  - Trigonometry
N1  - Includes index
ER  -