TY  - GEN
AU  - Smith, Thomas M.
AU  - Smith, Robert Leo
TI  - Elements of ecology
SN  - 81-317-1557-4
U1  - 574.5 
PY  - 2007///
CY  - New Delhi
PB  - Pearson Education
KW  - ECOLOGY
N1  - Bibliography: p.R-1 - R-18
ER  -