1. G. Long, W. P. Stanaway, and D. Davies, “Emission of Xe-133 from Uraniumdioxide Yttriumdioxide and Thoriumdioxide Yttriumdioxide Solid Solutions,” AERE-M 1251, Atomic Energy Research Establishment, Harwell, England (1964).
2. D. R. Lichtenberger, “Xe-133 Diffusion in Urania Solid Solutions,” GE-TM 65-4-40, General Electric Company, Schenectady, N.Y. (1965).
3. Diffusion von Uran-233 in Urandioxyd