Exchange-degenerate Regge trajectories: A fresh look from resonance and forward scattering regions P. Desgrolard, M. Giffon, E. Martynov and E. Predazzi Eur. Phys. J. C, 18 3 (2001) 555-561 Published online: 15 January 2001 DOI: 10.1007/s100520100548