TY  - BOOK
AU  - Odum, Eugene P  .
AU  - Barrett, Gary W.
TI  - Fundamentals of ecology / 
SN  - 978-81-315-0020-0
U1  - G:5 
PY  - 2005///
CY  - Andover : 
PB  - Cengage Learning  , 
KW  - Ecology
ER  -