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Tandecki, M., Zhang, J., Aubin, S., Behr, J., Collister, R., Gomez, E., … ofer, T. (2014). Offline trapping of 221Fr in a magneto-optical trap from implantation of an 225Ac ion beam. Journal of Instrumentation, 9, P10013–P10013. http://doi.org/10.1088/1748-0221/9/10/p10013 (Original work published October 2014)