Coba jelasin Lihat pula dari Peluruhan radioaktif dong

"Henri Becquerel: The Discovery of Radioactivity", Becquerel's 1896 articles online and analyzed on BibNum [click 'à télécharger' for English version].

"Radioactive change", Rutherford & Soddy article (1903), online and analyzed on Bibnum'' [click 'à télécharger' for English version].