TY  - BOOK
AU  - Obstebee Arnold.
AU  - Zorn, Paul.
TI  - Calculus: For graphical numerical and sumbolic points of view
SN  - 9781429229739
AV  - QA 303 .O88 2008 
PY  - 2008///
CY  - New York
PB  - Freeman Custom publishing
KW  - Calculus
N1  - Includes index
ER  -