Nuclear levels in 228Th populated in the decay of 228Pa (II) T. Weber, J. de Boer, K. Freitag, J. Gröger, C. Günther, P. Herzog, V.G. Soloviev, A.V. Sushkov and N.Yu. Shirikova Eur. Phys. J. A, 3 1 (1998) 25-48 Published online: 15 September 1998 DOI: 10.1007/s100500050146