TY  - BOOK
AU  - Townsend, Colin R.
AU  - Begon, Michael.
AU  - Harper, John L.
AU  - Townsend Colin R.
TI  - Essentials of ecology
SN  - 1405149337
U1  - 577 
PY  - 2003///
CY  - Malden, MA
PB  - Blackwell Pub.
KW  - Ecology
N1  - Includes bibliographical references (p. [501]-512) and index
ER  -