Yuri A Pokhitonov, Research and Production Association “V.G. Khlopin Radium In-stitute“ (Russia)
; Romanovski N Valeri, Research and Production Association “V.G. Khlopin Radium In-stitute“ (Russia)
; Sergey A Strelkov, Research and Production Association “V.G. Khlopin Radium In-stitute“ (Russia)
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