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2. A New Radioactive Series — The Protactinium Series;Studier;Phys. Rev.,1948
3. Etude du Rayonnement γ de l'Ionium;Curie;J. phys. radium,1947
4. Determination of the Half Life of Ionium;Hyde;NNES,1949
5. Properties of the Deuteron and Helium-Ion Bombardments of Pa231;Osborne;NNES,1949