TY  - BOOK
AU  - Townsend Colin R
AU  -  Begon Michael
AU  -  Harper John L
TI  - Essentials of ecology
SN  - 9781405156585 (pbk)
U1  - G:5, P0;P8   TEB 
PY  - 2008///
CY  - Oxford
PB  - Blackwell Publishing      
KW  -  Ecology
KW  - Environmental biology
N1  - Bibliographical references 483-494p; Index 495-510p
ER  -