TY  - BOOK
AU  - Ruud,Warren L.
AU  - Shell,Terry L.
TI  - Prelude to calculus
SN  - 0534102905 (hbk.)
PY  - 1990///
CY  - Belmont, Calif.
PB  - Wadsworth Pub.
KW  - Mathematics
N1  - Includes index
ER  -