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© 1986 American Institute of Physics.
1986
American Institute of Physics
H. J. Juretschke, A. F. Moodie, H. K. Wagenfeld, H. A. Bethe; Paul P. Ewald. Physics Today 1 May 1986; 39 (5): 101–104. https://doi.org/10.1063/1.2815014
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