A systematic correlation of the properties of the f-transition metal ions.- Excited states and energy transfer from donor cations to rare earths in the condensed phase.- Spectroscopy of homogeneous mixed valence rare earth compounds.- Deep-lying valence orbitals and problems of degeneracy and intensities in photo-electron spectra.
Th. Wieland, Kurt Wallenfels, Christian Streffer, Myron L. Bender, H. Fasold, U. Gröschel-Stewart, G. Gundlach, F. Turba, B. R. Rabin, A. P. Mathias, Herbert Witzel, C. Veeger, Peter Hemmerich, L. Jaenicke, G. Kohlhaw, H. Holzer, W. Schröter, J. Knappe, F. Lynen, V. M. Clark, V. Prelog, G. Pfleiderer, Horst Sund