Peredkov, S.; Savci, A.; Peters, S.; Neeb, M.; Eberhardt, W.; Kampschulte, H.; Meyer, J.; Tombers, M.; Hofferberth, B.; Menges, F.; Niedner-Schatteburg, G.: X-ray absorption spectroscopy of mass-selected transition metal clusters using a cyclotron ion trap: An experimental setup for measuring XMCD spectra of free clusters. Journal of Electron Spectroscopy and Related Phenomena 184 (2011), p. 113-118