Köble, Ulrich, Kiernan, Laurence, Costello, John T. ORCID: 0000-0003-4677-9999, Mosnier, Jean-Paul ORCID: 0000-0002-9312-1754, Kennedy, Eugene T. ORCID: 0000-0002-0710-5281, Ivanov, V., Kupchenko, V. and Shendrik, M. (1995) 4 f(P1) giant dipole resonance in La³⁺. Physical Review Letters, 74 (12). pp. 2188-2191. ISSN 0031-9007
Köble, Ulrich (1994) A photoabsorbtion study of La3+ and Au in the giant resonance energy region. PhD thesis, Dublin City University.