TY  - BOOK
AU  - Smith, Robert Leo.
AU  - 
ED  - 
ED  - 
ED  - 
ED  - 
SN  - 60463295
SN  - 2
PY  - 1980///];copyright 198046
CY  - New York
PB  - Harper & Row
KW  - 
KW  - 2
KW  - 0
KW  - 6
KW  - 20
KW  - Field work
KW  - Biology;Ecology
N1  - 5
ER  -