title: [Levels of mass concentrations of ammonia in the air in Zagreb].
mesh_terms: D000393:Air Pollutants / Q000032:analysis*; D000641:Ammonia / Q000032:analysis*; D012621:Seasons; D015022:Yugoslavia
chemical_list: D000393:Air Pollutants; D000641:Ammonia
vernacular_title: Razine masenih koncentracija amonijaka u zraku Zagreba.