Sansonetti, C.
, Richou, B.
, Engleman, R.
and Radziemski, L.
(1995),
Measurements of the Resonance Lines of <sup>6</sup>Li and <sup>7</sup>Li by Doppler-Free Frequency Modulation Spectroscopy, Physical Review A (Atomic, Molecular and Optical Physics)
(Accessed November 9, 2024)