Szilard, Leo, author. Improvements in or relating to the transmutation of chemical elements : $b Provisional Specification No. 19157 A.D. 1934 / by L. Szilard.

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Szilard, Leo, author.

Improvements in or relating to the transmutation of chemical elements : $b Provisional Specification No. 19157 A.D. 1934 / by L. Szilard.

Nuclear reactions.