TY  - BOOK
AU  - Townsend, Colin R.
AU  - Harper,John L.
AU  - Begon,Michael
TI  - Essentials of ecology
SN  - 0632043482 (pbk.)
PY  - 2000///
CY  - Massachusetts
PB  - Blackwell Science
KW  - Ecology
N1  - Includes index; Includes bibliographical references
ER  -