TY  - BOOK
AU  - Dowdeswell,W.H., x
AU  - x
TI  - Practical animal ecology: x
SN  - x
U1  - 591.5/DOP 
PY  - 1959///
CY  - Lond.
PB  - Methuen
KW  - Ecology
N1  - x
ER  -