Webster, J. H. D. (1940). The Periodicity of Sun-spots, Influenza, and Cancer.
シカゴスタイル引用形Webster, J. H. Douglas. The Periodicity of Sun-spots, Influenza, and Cancer. 1940.
MLA引用形式Webster, J. H. Douglas. The Periodicity of Sun-spots, Influenza, and Cancer. 1940.
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