TY  - BOOK
AU  - Ewer, D.W.
AU  - Hall, J.B.
TI  - Ecological biology 2: : the inter relations organisms / 
SN  - 0582606489
AV  - QH541.E8 1978 
PY  - 1978///
CY  - London
PB  - Longman group UK ltd
KW  - Ecology
KW  - Environmental sciences
ER  -