%0 conference paper %@ %A Bisling, P.,Ong, K.,Neidhart, B.,Weitkamp, C. %D 2001 %J Resonance Ionization Spectroscopy, RIS-2000, 10th International Symposium %N %P 130-134 %T Which Isotope Effects Can Be Observed in Heavy Rydberg Atoms Using Resonance Ionization Mass Spectroscopy ? %U %X