TY  - BOOK
AU  - Smith,Robert Leo
TI  - Ecology and field biology 
U1  - 574.5 SMI  
PY  - 1966///.
CY  - New York : 
PB  - Harper & Row Publishers, 
KW  - Biology--Fieldwork
KW  - Ecology
N1  - Includes index.
ER  -