@Article{ Gómez-Nicola_Nieves-Pamplona_Peláez-_RUIZ,

author = { A. Gómez-Nicola and Juan M. Nieves-Pamplona and José Ramón Peláez- and ENRIQUE RUIZ ARRIOLA } ,

title = { IMPROVED UNITARIZED HEAVY BARYON CHIRAL PERTURBATION THEORY FOR PI N SCATTERING TO FOURTH ORDER },

journal = { Physical Review D: Particles, Fields, Gravitation and Cosmology },

year = { 2004 },

volume = { 69 },

pages = { - },

}