TY  - BOOK
AU  - Gutnik,Martin J.
TI  - Ecology
SN  - 0531047652
AV  - QH541.24 .G87 1984
U1  - 551.5/072 19
PY  - 1984///
CY  - New York
PB  - F. Watts
KW  - Ecology
KW  - Experiments
KW  - Juvenile literature
KW  - Science
N1  - Includes index
N2  - A collection of environmental science projects which demonstrate the delicate balance of ecological systems and how both people and nature can destroy this balance
ER  -