A generation of unconventional electron beam ion sources : Proceedings of the 6th international conference on ion sources - Kleinod, M.; Becker, R.; Bongers, H.; Weidenmüller, M.; Zipfel, B.; Donets, E. D. (American Institute of Physics (AIP), 1996)
http://dx.doi.org/10.1063/1.1146790
Keywords: U; ZN