[Air pollution by waste from coal concentration plants].
D000397:Air Pollution; D002248:Carbon Monoxide; D007220:Industrial Waste; D013458:Sulfur Dioxide; D014586:USSR
D007220:Industrial Waste; D013458:Sulfur Dioxide; D002248:Carbon Monoxide
Zagriaznenie atmosfernogo vozdukha vybrosami ugleobogatitel'nykh fabrik.