TY  - BOOK
AU  -  Hungerford,Thomas W.
AU  -  Mercer,Richard
AU  -  Barrier,Sybil R.
TI  -  Precalculus mathematics / 
SN  -  0030203465
U1  -  512/.1 
PY  - 1980///
CY  -  Philadelphia : 
PB  -  Saunders College, 
KW  -  Mathematics
KW  -  Precalculus
N1  -  Includes index
ER  -