TY  - BOOK
AU  - Smith, Robert Leo.
AU  -  Smith, T. M. 
TI  - Ecology and field biology
SN  - 0321042905
AV  - QH 541 .S6 2001 
PY  - 2001///
CY  - San Francisco
PB  - Benjamin Cummings, 
KW  - Ecology
KW  - Biology -- Fieldwork
N1  - Include bibliographical references
ER  -