Books by Myrl Nelson Davis:
Books in the extended shelves:
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Davis, Myrl Nelson: A possible relation between the crystalline structure of copper and its secondary emission (1926) (page images at HathiTrust)- Davis, Myrl Nelson: Study of secondary electron emission from cobalt and its connection with the diffraction of electron waves. ([Washington, D.C.], 1928) (page images at HathiTrust)
Find more by Myrl Nelson Davis at your library, or elsewhere.