TY  - BOOK
AU  - Smith, Robert Leo
AU  - Smith, Thomas M.
TI  - Elements of ecology
SN  - 0-8053-4473-XL
AV  - 577 Sm49e 
PY  - 2004///
CY  - Singapore
PB  - Pearson
N1  - Includes bibliographic references and index
ER  -