TY  - SER
TI  - Biological conservation
SN  - 0006-3207
U1  - 574.05 
PY  - 1976///-1989
CY  - Barking, England.
PB  - Applied Science Publishers
KW  - Environment
KW  - Periodicals
KW  - Ecology
KW  - Environment Pollution
ER  -