Diamagnetic behaviour of xenon Rydberg states studied by the R.F. optogalvanic method J.P. Lemoigne, J.P. Grandin, X. Husson et H. KucalJ. Phys. France, 45 2 (1984) 249-256DOI: https://doi.org/10.1051/jphys:01984004502024900