Isotope shifts and hyperfine structure in the 3d2Dj → 4p 2Pj transitions in calcium IIW. Nörtershäuser, K. Blaum, K. Icker, P. Müller, A. Schmitt, K. Wendt and B. WicheEur. Phys. J. D, 2 1 (1998) 33-39DOI: https://doi.org/10.1007/s100530050107