Stewart, A. (1948). Pneumoconiosis of Coal-Miners: A Study of the Disease After Exposure to Dust has Ceased.
Chicago Style aipamenaStewart, Alice. Pneumoconiosis of Coal-Miners: A Study of the Disease After Exposure to Dust Has Ceased. 1948.
MLA aipamenaStewart, Alice. Pneumoconiosis of Coal-Miners: A Study of the Disease After Exposure to Dust Has Ceased. 1948.
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