1. Karl-Christian, Buschbeck, Cornelius Keller (Eds.), Gmelin Handbook of Inorganic Chemistry, vol. A5 (Suppl. U Spectra), Springer, Berlin, 1982, p. 180
2. X-ray photoelectron studies of thorium and uranium
3. G.H. Lander, T.O. Brun, B.W. Veal, D.J. Lam, in: Proceedings of the First Conference on Crystalline Electric Field Effects in Metals and Alloys, University of Montreal, 1974, p. 480
4. X-ray photoelectron studies of thorium, uranium, and their dioxides
5. High-energy spectroscopic study of the occupied and unoccupied5fand valence states in Th and U metals