The excitation energies, ionization potentials and oscillator strengths of neutral and ionized species of Uub (Z = 112) and the homologue elements Zn, Cd and HgY. J. Yu, J. G. Li, C. Z. Dong, X. B. Ding, S. Fritzsche and B. FrickeEur. Phys. J. D, 44 1 (2007) 51-56DOI: https://doi.org/10.1140/epjd/e2007-00172-y