1. Fuger, J. (in: Gmelin Handbuch “Transurane” A2, 1973, pp. 292/301).
2. Fuger, J. (in: Gmelin Handbook “Uranium” Suppl. Vol. A 6, 1983, pp. 118/34).
3. No. 36270), see also Schmidt, D.; Guinan, M. (Bull. Am. Phys. Soc. [2] 15 [1970] 1589 ).
4. Corbett, J. W.; Smith, R. B.; Walker, R. M. (Phys. Rev. [2] 114 [1959] 1452/9, 1460/72).
5. Corbett, J. W. (Electron Radiation Damage in Semi-Conductors and Metals, Academic, New York 1966, pp. 1/419; N.S.A. 20 [1966] No.41508).