TY  - BOOK
AU  - Sobel, Max A. 
AU  - Maletsky, Evan M. 
TI  - Mathematics I / 
SN  - 0-663259045
U1  - 510 
PY  - 1972///
CY  - Canada
PB  - Ginn and company
KW  - Mathematics -- 1961- -- Juvenile literature
ER  -