TY  - BOOK
AU  - MEDLEY,Helen I
TI  - Study0guide0for0precalculus:0Algebra,Trigonometry0and0Analytic0Geometry
SN  - 081628242x
U1  - 515 
PY  - 1982///
CY  - California.
PB  - Holden-Day,0Inc,0US
ER  -