TY  - BOOK
AU  - Owen,Denis Frank
TI  - What is ecology?
SN  - 0198880944
U1  - 574.5 O971W 1974 
PY  - 1974///
CY  - London
PB  - Oxford University press
KW  - Ecology
KW  - Categories of ecology
N1  - Includes Index
ER  -