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