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Possibilities in the Use of Helium-oxygen Mixtures as a Mitigation of Caisson Disease

Royd Ray SayersW. P. YantJ. H. Hildebrand

出版	U.S. Department of the Interior, Bureau of Mines, 1925
URL	http://books.google.com.hk/books?id=aN2XQlnxoh8C&hl=&source=gbs_api