Hyperfine splitting and isotope shift in the atomic D2 line of 22,23Na and the quadrupole moment of 22Na Yu.P. Gangrsky, D.V. Karaivanov, K.P. Marinova, B.N. Markov, L.M. Melnikova, G.V. Mishinsky, S.G. Zemlyanoi and V.I. ZhemenikEur. Phys. J. A, 3 4 (1998) 313-318DOI: https://doi.org/10.1007/s100500050185