TY  - BOOK
AU  - Sobel Max
AU  - Learner Norbert
TI  - Precalculus Mathematics
SN  - 0131120956
AV  - QA154.2 So11
PY  - 1995///
CY  - London
PB  - Learner Norbert
N1  - lncludes lndex
ER  -