TY  - BOOK
AU  - Smith ,Thomas M
AU  - Robert, Leo Smith 
TI  - Elements of ecology/ 
SN  - 558363156
AV  - QH541 .S624 2009  
PY  - 2009///
CY  - New York
PB  - Custom, 
KW  - Ecology
N1  - Includes bibliography and index.; Includes bibliography and index.
ER  -