Electroproduction of nucleon resonances L. Tiator, D. Drechsel, S. Kamalov, M.M. Giannini, E. Santopinto and A. Vassallo Eur. Phys. J. A, 19 3 (2004) 55-60 Published online: 12 February 2004 DOI: 10.1140/epjad/s2004-03-009-9