A.
Gorelov
Kalita, M., Behr, J. A., Gorelov, A., Pearson, M. R., DeHart, A., Gwinner, G., … Flambaum, V. V. (2018). Isotope shifts in the 7s→8s transition of francium: Measurements and comparison to ab initio theory. Physical Review A, 97. http://doi.org/10.1103/physreva.97.042507 (Original work published April 2018)
Zhang, J., Collister, R., Shiells, K., Tandecki, M., Aubin, S., Behr, J. A., … Zhao, Y. (2016). Efficient inter-trap transfer of cold francium atoms. In (Vol. 237). http://doi.org/10.1007/s10751-016-1347-9