: "Observation of Visible and UV Magnetic Dipole Transitions in Highly-Charged Xenon and Barium", Physical Review Letters, Bd. ###>60, 1715 (1988) – First EBIT atomic spectroscopy measurement* C. A. Morgan et al., "Observation of Visible and UV Magnetic Dipole Transitions in Highly-Charged Xenon and Barium", Phys.