TY  - BOOK
AU  - ODUM (Eugene P).
TI  - Fundamentals of ecology. Ed.3
SN  - 0 7216 6941 7
U1  - 574.5 ODUF 
PY  - 1971///
CY  - Philadelphia
PB  - W B Saunders Co
KW  - Ecology
ER  -