title: [Indicators of atmospheric pollution (author's transl)].
mesh_terms: D000143:Acids / Q000032:analysis; D000393:Air Pollutants / Q000032:analysis; D000397:Air Pollution / Q000032:analysis*; D012906:Smoke / Q000032:analysis
chemical_list: D000143:Acids; D000393:Air Pollutants; D012906:Smoke