TY  - BOOK
AU  - DREYER,O.
AU  - LOS,B.
AU  - LOS,V.
TI  - ECOCLOGY AND DEVELOPMENT / 
U1  - 577 
CY  - روسيا : 
PB  - PROGRESS PUBLISHERS
KW  - ECOLOGY
KW  - DEVELOPING COUNTRIES
KW  - FOOD CHAINS ( ECOLOGY )
ER  -