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Number of items: 1. Pickering, William Hayward (1936) A Geiger Counter Study of the Cosmic Radiations. Dissertation (Ph.D.), California Institute of Technology. doi:10.7907/5MRS-3994. https://resolver.caltech.edu/CaltechETD:etd-05142003-134629 This list was generated on Sat Feb 22 12:04:34 2025 UTC. |