TY  - BOOK
AU  - Ziegler, Michael R. 
AU  - Barnett, Raymond A.
TI  - 	Precalculus
SN  - 	978-0-07-122176-4.
U1  - Circ. 512.1 P923 2011 
PY  - 2011///
CY  - New York
PB  - McGraw-Hill, 
KW  - 1. Algebra-Graphic methods-Textbooks
KW  - 2. Functions-Textbooks
N1  - Includes appendices & index.
ER  -