TransliterationSoddi F. Radiy i ego razgadka Radioaktivnost'. Elementanoe izlozhenie s tochki zreniya teorii raspada atomov.
In EnglishSoddy F. Radium and its Unraveling Radioactivity. An Elementary Explanation from the Point of View of the Theory of Atomic Decay. In Russian (ask us if in doubt).
$399