TY  - BOOK
AU  - Duncan, Ernest R.
AU  - Quast, Ernest R.
AU  - hAUBNER, Mary Ann.
TI  - Mathematics
SN  - 0395313058
U1  - 511 DUL 
PY  - 1983///
CY  - Boston, Palo Alto
PB  - Houghton Mifflin company
KW  - Mathematics
KW  -  Arithmetic
N1  - Include index
ER  -