Seaton, A., Lapp, N. L., & Morgan, W. K. C. (1972). Relationship of pulmonary impairment in simple coal workers' pneumoconiosis to type of radiographic opacity.
Čikaški stil citiranjaSeaton, Anthony, N. LeRoy Lapp, i W. Keith C. Morgan. Relationship of Pulmonary Impairment in Simple Coal Workers' Pneumoconiosis to Type of Radiographic Opacity. 1972.
MLA način citiranjaSeaton, Anthony, N. LeRoy Lapp, i W. Keith C. Morgan. Relationship of Pulmonary Impairment in Simple Coal Workers' Pneumoconiosis to Type of Radiographic Opacity. 1972.
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