[Dust control in hard coal mines; suggestion for a method to be used by industrial hygiene stations].
D003031:Coal; D004391:Dust; D006244:Hardness; D006801:Humans; D008906:Mining; D016272:Occupational Health
D003031:Coal; D004391:Dust
DUST; MINING
Kontrola prasnosti v cernouhelných dolech; návrh metodky pro hygienické stanice.