TY  - BOOK
AU  - "Ostebee, Arnold"
AU  - "Zorn, Paul"
TI  - Calculus: "from graphical, numerical, and symbolic points of view"
SN  - 0-03-098731-8
U1  - 515.15 
PY  - 1994///
CY  - U.S.A.
PB  - McGraw Hill
ER  -