Francium (Fr)
References and Notes for Francium ( Fr )
ABDJ90
E. Arnold, W. Borchers, H. T. Duong, P. Juncar, J. Lermé, P. Lievens, W. Neugart, M. Pellarin, J. Pinard, J. L. Vialle, K. Wendt, and the ISOLDE Collaboration, J. Phys. B
23
, 3511 (1990).