1. Handbook of the Physics and Chemistry of the Actinides;Freeman,1985
2. Thorium. Verbindungen mit Edelgasen, Wasserstoff, Sauerstoff;Keller,1987
3. Thorium, Compounds with Nitrogen;Benz,1987
4. Thorium Carbides;Kleykamp,1992
5. Thorium. Compounds with Si, P, As, Sb, Bi, Ge;Bickel,1993