TY  - BOOK
AU  - Sobel,Max A.
AU  - Lerner,Norbert
TI  - Algebra and trigonometry: a pre-calculus approach 
SN  - 0130217093
PY  - 1979///
CY  - Englewood Cliffs, N. J.
PB  - Prentice-Hall
KW  - Algebra
KW  - Trigonometry
N1  - Includes index
ER  -