TY  - BOOK
AU  - Smith, Robert Leo.
TI  - Ecology and Field Biology
SN  - 0060463317
AV  - QH 541 .S6 1990 
PY  - 1990///
CY  - New York
PB  - Harper Collins publishers
KW  - Ecology
KW  - Biology-Field work
N1  - Includes bibliographical references
ER  -