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Sergei P. Efimov       Symmetries of fine-structure constant
      Adv. Studies Theor. Phys., Vol. 7, 2013, no. 13, 635–646       http://dx.doi.org/10.12988/astp.2013.3431
Copyright © 2013 Sergei P. Efimov. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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