Dennis Kelley, Pacific World Trade (United States)
; Charles Pietsch, Chamberlain Group (United States)
; Evgeniy Kobobov, V.G. Khlopin Radium Institute (Russia)
; Aleksandr Orlov, V.G. Khlopin Radium Institute (Russia)
; Yuri Pokhitonov, V.G. Khlopin Radium Institute (Russia)
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