TY  - BOOK
AU  - Pontin A.J.,  .
TI  - Competition and Coexistence od Species / 
SN  - 0-273-08489-5
U1  - K:5 
PY  - 1983///
CY  - London WC2B5PB : 
PB  - Pitman Books Limited , 
KW  - Zoology <Coexistence of species>
ER  -