TY  - BOOK
AU  - Krause,Jens
AU  - Ruxton,Graeme D.
TI  - Living in groups / 
SN  - 9780198508182
U1  - 577 
PY  - 2002///
CY  - New Delhi : 
PB  - Oxford University Press , 
KW  - ECOLOGY
N1  - Includes bibliographical reference and index
ER  -