TY  - BOOK
AU  - Townsend Colin R
AU  -  Begon Michael
AU  -  Harper John L
TI  - Essentials of ecology
SN  - 1405103280 (pbk)
U1  - G:5, P0;P3;2 
PY  - 2003///
CY  - Oxford
PB  - Blackwell Pub.        
KW  -  Ecology
KW  - Biology
N1  - Bibliographical references 501-512p; Index 513-530p
ER  -