TY  - BOOK
AU  - Christy,Dennis T.
TI  - Essentials of precalculus, Algebra and Trigonometry
SN  - 0060413085
AV  - QA 39.2 .C5 1986
PY  - 1986///
CY  - New York
PB  - Harper & Row
KW  - Mathematics
KW  - Precalculus
N1  - Includes index
ER  -