TY  - BOOK
AU  - Gruver,William John
AU  - Piltz,Albert
ED  - United States.
TI  - Modern science and your child,
AV  - Q181 .U564
PY  - 1963///]
CY  - [Washington
PB  - U.S. Dept. of Health, Education, and Welfare, Office of Education; for sale by the Supt. of Documents, U.S. Govt. Print. Off.
KW  - Science
KW  - Study and teaching
N1  - "OE-29048."; Bibliography: p. 39-40
ER  -