Precision measurement of the branching fractions of the 4p 2P3/2 decay of Ca IIR. Gerritsma, G. Kirchmair, F. Zähringer, J. Benhelm, R. Blatt and C. F. RoosEur. Phys. J. D, 50 1 (2008) 13-19DOI: https://doi.org/10.1140/epjd/e2008-00196-9