Nucleon form factors, B-meson factories and the radiative return H. Czyż, J. H. Kühn, E. Nowak and G. Rodrigo Eur. Phys. J. C, 35 4 (2004) 527-536 Published online: 09 June 2004 DOI: 10.1140/epjc/s2004-01864-7