TY  - BOOK
AU  - Blough,Glenn Orlando
TI  - Elementary-school science and how to teach it
U1  - 372.35 22
PY  - 1958///
CY  - New York
PB  - Holt, Rinehart and Winston
KW  - Science
KW  - Study and teaching
N1  - Includes Bibliographical References and Index
ER  -