Patthey, F.Imer, J. M.Schneider, W. D.Beck, H.Baer, Y.Delley, B.2007-06-202007-06-202007-06-20199010.1103/PhysRevB.42.8864https://infoscience.epfl.ch/handle/20.500.14299/8865High-Resolution Photoemission-Study of the Low-Energy Excitations in 4f-Electron Systemstext::journal::journal article::research article