Reanalysis and semi-empirical predictions of the hyperfine structure of 91Zrl in the model space (4d + 5s)4S. Bouazza, J. Dembczynski, E. Stachowska, G. Szawiola and J. RuczkowskiEur. Phys. J. D, 4 1 (1998) 39-46DOI: https://doi.org/10.1007/s100530050182