TY  - BOOK
AU  - Swokowski,Earl William
TI  - Precalculus: functions and graphs 
T2  - The Prindle, Weber & Schmidt serie in mathematics
SN  - 0-534-92086-1
AV  - QA331.3 S86 1990
PY  - 1990///
CY  - Boston, Mass.
PB  - PWS-KENT
ER  -