TY  - BOOK
AU  - Phillips,Harry L.
AU  - Kluttz,Marguerite
ED  - United States.
TI  - Modern mathematics and your child,
AV  - QA11 .U52
PY  - 1963///]
CY  - [Washington
PB  - For sale by the Superintendent of Documents, U.S. Govt. Print. Off.
KW  - Mathematics
KW  - Study and teaching
N1  - "OE-29047."
ER  -