TY  - BOOK
AU  - Smith, Robert Leo
TI  - Elements of ecology
SN  - 9814119318   Np.
AV  - QH 541 S64 2002 CASAT 
PY  - 2002///
CY  - Singapore
PB  - Addison Wesley Longman
KW  - Ecology
N1  - Includes bibliographical references and index
ER  -