TY  - BOOK
AU  - Duncan,Ernest R.
AU  - Quast,W.G.
AU  - Haubner,Mary Ann
AU  - Cole,William L.
TI  - Mathematics
SN  - 0-395-31307-4  
PY  - 1983///
CY  - Boston
PB  - Harcourt School Publishers,  
KW  - Mathematics
KW  - Teaching and study
KW  - Mathematics (Elementary)
ER  -