title: [Pollution of the outdoor air. Sources, emissions, trends, smog episodes, transportation, areas of concentration].
mesh_terms: D000393:Air Pollutants / Q000032:analysis; D000397:Air Pollution / Q000032:analysis*; D005860:Germany, West; D006801:Humans; D007221:Industry; D012905:Smog / Q000032:analysis*; D014186:Transportation
chemical_list: D000393:Air Pollutants; D012905:Smog
vernacular_title: Aussenluft-Kontamination. Quellen, Immissionen, Trends, Smog-Episoden, Transport, Ballungsgebiete.