RELATIONSHIPS BETWEEN MASS AND NUMBER CONCENTRATIONS OF RESPIRABLE AIRBORNE DUST IN BRITISH COAL MINES. 2. MASS--NUMBER RELATIONSHIPS FOR MIXED CLOUDS OF COAL AND ROCK DUST.
D003031:Coal; D003032:Coal Mining; D004391:Dust; D006801:Humans; D012119:Respiration; D006113:United Kingdom
D003031:Coal; D004391:Dust
COAL MINING; DUST; GREAT BRITAIN