TY  - BOOK
AU  - Sobel, Max A.
AU  - Lerner, Norbert.
TI  - Algebra and trigonometry: a pre-calculus approach
SN  - 0130217093
U1  - 512.13 
PY  - 1979///
CY  - New Jersey
PB  - Prentice-Hall
ER  -