S = -1 meson-baryon scattering in coupled-channel unitarized Chiral Perturbation Theory C. García-Recio, J. Nieves, E. Ruiz Arriola and M. Vicente Vacas Eur. Phys. J. A, 18 2-3 (2003) 185-187 Published online: 22 October 2003 DOI: 10.1140/epja/i2002-10297-y