Phase motion of baryon resonances E. Klempt, A. V. Anisovich, V. A. Nikonov, A. V. Sarantsev and U. Thoma Eur. Phys. J. A, 29 3 (2006) 307-313 Published online: 21 September 2006 DOI: 10.1140/epja/i2006-10092-x