Journal of Physics: Conference Series (2015) - Comment
doi: 10.1088/1742-6596/590/1/012023  issn: 1742-6588  issn: 1742-6596 

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H Utsunomiya, S Goriely, D M Filipescu, O Tesileanu, I Gheorghe, T Glodariu, H-T Nyhus, T Renstrøm, Y-W Lui, T Shima, K Takahisa, S Miyamoto