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Selected References
These references are in PubMed. This may not be the complete list of references from this article.
- Clark G. L., Duane W. The Wave-Lengths of Secondary X-Rays (Second note). Proc Natl Acad Sci U S A. 1923 Dec;9(12):419–424. doi: 10.1073/pnas.9.12.419. [DOI] [PMC free article] [PubMed] [Google Scholar]
