TY  - GEN
AU  - Groza, Vivian Shaw
AU  - Shelley, Susanne
TI  - Precalculus mathematics
SN  - 0030776708
U1  - 512.1 
PY  - 1972///
CY  - New York
PB  - Holt, Rinehart and Winston
KW  - MATHEMATICS
KW  - NATURAL NUMBERS
ER  -