TY  - BOOK
AU  - Ewer, D.W.
AU  - Hall, J.B.
TI  - Inter-relations of Organisms
SN  - 0582606489
U1  - 574.5 
PY  - 1978///
CY  - London
PB  - Longman Group Ltd.
KW  - Life sciences
KW  - Pure Sciences
KW  - Ecology
ER  -