Ion trap nuclear resonance on 151Eu+ S. Trapp, G. Tommaseo, G. Revalde, E. Stachowska, G. Szawiola and G. Werth Eur. Phys. J. D, 26 3 (2003) 237-244 Published online: 12 August 2003 DOI: 10.1140/epjd/e2003-00261-y