TY  - BOOK
AU  - Hingerford, Thomas W
AU  - Mercer, Richard.
AU  - Barrier, Sybil R.
TI  - Precalculus mathematics
SN  - 0030203465
AV  - QA39.2 .H854 1980
PY  - 1980///
CY  - Philadelphia
PB  - Saunders College
KW  - Mathematics
KW  - 1961-
N1  - Includes index
ER  -