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1دورية
المصدر: Nuclear News; Mar2017, Vol. 60 Issue 3, p25-26, 2p
مصطلحات موضوعية: DOOMSDAY Clock, CATASTROPHICAL, The -- Forecasting, ARMAGEDDON, INTERNATIONAL conflict, NUCLEAR nonproliferation
المصدر: Nuclear News; Mar2017, Vol. 60 Issue 3, p25-26, 2p
مصطلحات موضوعية: DOOMSDAY Clock, CATASTROPHICAL, The -- Forecasting, ARMAGEDDON, INTERNATIONAL conflict, NUCLEAR nonproliferation