 |
| |||
| ozone decline; ozone decrease; ozone loss; stratospheric ozone loss | |||
| depletion of ozone | |||
| убыль озона: 1 do fraz, 1 tematyki |
| Ekologia | 1 |
|
| |||
| ozone decline; ozone decrease; ozone loss; stratospheric ozone loss | |||
| depletion of ozone | |||
| убыль озона: 1 do fraz, 1 tematyki |
| Ekologia | 1 |