TY  - BOOK
AU  - Blough, Glenn O.
TI  - Elementary-School Science :And How To Teach It
U1  - 371 
PY  - 1952///
CY  - New York
PB  - The Dryden Press
KW  - Schools and their activities: special education
N1  - Teaching Elementary science, The earth and the universe,Living Things
ER  -