TY  - BOOK
AU  - Demana, Franklin D., 1938-
AU  - Waits, Bert K.
AU  - Clemens, Stanley R.
TI  - Precalculus mathematics : : a graphing approach / 
SN  - 0-201-52905-x
U1  - DC 512.13 1994
PY  - 1994///
CY  - Menlo Park, California : 
PB  - Addison-Wesley, 
KW  - Algebra
KW  - Trigonometry
N1  - Includes index
ER  -