TY  - BOOK
AU  - Townsend,Colin R
AU  - Harper,John L
AU  - Begon,Michael
TI  - Essentials of ecology
SN  - 0632043482
AV  - QH541 .T66 2000
PY  - 2000///
CY  - Malden, Mass.
PB  - Blackwell Science
KW  - Ecology
ER  -