TY  - BOOK
AU  - Bonnet,Robert L.
TI  - Environmental science: 49 science fair projects 
PY  - 1990///
CY  - Blue Ridge Summit, PA
PB  - TAB Books
KW  - Pollution
KW  - Experiments
KW  - Juvenile literature
KW  - Ecology
KW  - Science projects
N1  - Includes glossary and index
ER  -