TY  - BOOK
AU  - Smith, Robert Leo
TI  - Elements of Ecology And Field Biology
SN  - 0060463287
U1  - 574.5 
PY  - 1977///
CY  - New York
PB  - Harper and Row, Publishers
KW  - Life sciences
KW  - Pure Sciences
KW  - Biology
KW  - Ecology
ER  -