TY  - BOOK
ED  - Progress Publishers.
TI  - The rational utilization of natural resources and the protection of the environment
U1  - 333.7091717 23
PY  - 1983///
CY  - Moscow
PB  - Progress Publishers
KW  - Conservation of natural resources
KW  - Communist countries
KW  - Natural resources management
KW  - Environmental protection
N1  - Miscellaneous
ER  -