Skubacz, Krystian The influence of particle size distribution on dose conversion factors for radon progeny in the underground excavations of hard coal mine. [electronic resource] - Journal of environmental radioactivity Oct 2016 - 68-79 p. digital Publication Type: Journal Article ISSN: 1879-1700 Standard No.: 10.1016/j.jenvrad.2016.05.020 doi Subjects--Topical Terms: Air Pollutants, Radioactive--analysisMiningOccupational Exposure--analysisParticle SizePolandRadiation ExposureRadiation MonitoringRadon--analysisRadon Daughters--analysisRisk Assessment