TY  - BOOK
T1  - Prelude to calculus
A1  - Ruud, Warren L. 1953-
A2  - Shell, Terry L. 1953-
LA  - English
PP  - Boston
PB  - PWS-Kent
YR  - 1993
ED  - 2nd ed.
UL  - https://tuklas.up.edu.ph/Record/UP-8027390931312263388
OP  - 75
NO  - Includes index.
CN  - QA39.2 R88 1993
SN  - 0534178685 (recycled, acid-free paper)
KW  - Mathematics.
ER  -