[On observations by airplane on carcinogens in the soot and dust falling over northern Kyushu].
D000397:Air Pollution; D000401:Aircraft; D002273:Carcinogens; D004391:Dust; D053260:Soot
D002273:Carcinogens; D004391:Dust; D053260:Soot
AIR POLLUTION; CARCINOGENS