TY  - BOOK
AU  - Demana,Franklin D.
AU  - Waits,Bert K.
AU  - Clemens,Stanley R.
TI  - Precalculus: functions and graphs 
SN  - 0201567318
AV  - QA154.2 .D44 1993
PY  - 1993///
CY  - Reading, Mass.
PB  - Addison-Wesley
N1  - At head of title: Demana, Waits, Clemens; Includes index
ER  -