Morgan, W. K. (1986). Quantitative relations between exposure to respirable coalmine dust and coalworkers' simple pneumoconiosis in men who have worked as miners but have left the coal industry.
Dyfyniad Arddull ChicagoMorgan, W K. Quantitative Relations between Exposure to Respirable Coalmine Dust and Coalworkers' Simple Pneumoconiosis in Men Who Have Worked As Miners but Have Left the Coal Industry. 1986.
Dyfyniad MLAMorgan, W K. Quantitative Relations between Exposure to Respirable Coalmine Dust and Coalworkers' Simple Pneumoconiosis in Men Who Have Worked As Miners but Have Left the Coal Industry. 1986.
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