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/ IV. 1941. / / , 15 1940

: 23 | : 337
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The Official Report on the Development of the Atomic Bomb Under the Auspices of the United States Government.
i / . .

, 15 1940

, 15 1940

4.2. 1940. . , , , , . 1940 , .. , ( ) U-238 .

4.3. , 14 1940 : , . 1940 , , . , , .

4.4. 15 (. III) , : () () , 1/3-1/4 .


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