TY  - BOOK
AU  - Smith, Thomas M.
AU  -  Smith, Robert Leo
TI  - Elements of ecology
SN  - 9780321410290
AV  - QH541.S624 
CY  - San Francisco
KW  -  Animal ecology
KW  -  Biotic communities
KW  -  Population biology
KW  - Biology
KW  - Ecology
ER  -