TY  - BOOK
AU  - Cooper,Elizabeth K.
TI  - Science in your own back yard
AV  - QH81 .C75 1958
U1  - 574 
PY  - 1958///
CY  - New York
PB  - Harcourt, Brace & World
KW  - Nature study
KW  - Local
KW  - Science
KW  - Experiments
ER  -