TY  - BOOK
AU  - Smith,Robert Leo
TI  - Elements of ecology and field biology
SN  - 0060463287
AV  - QH541 .S624
U1  - 574.5/07/6 19
PY  - 1977///
CY  - New York
PB  - Harper & Row
KW  - Ecology
KW  - Biology
KW  - Fieldwork
N1  - Includes index; Bibliography: p. 459-488
ER  -