TY  - BOOK
AU  - Thomas M.Smith
AU  - Robert Leo Smith
TI  - Elements of ecology 
SN  - 0-321-79657-8 	
AV  - QH542.S624 2012 
PY  - 2012///
CY  - Boston :		
PB  - Pearson ,	
KW  - Ecology
N1  - Includes bibliographical references and index
ER  -