@Article{ Nieves-Pamplona_RUIZ:77-85,

author = { Juan M. Nieves-Pamplona and ENRIQUE RUIZ ARRIOLA } ,

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

journal = { Physics Letters. Section B: Nuclear, Elementary Particle and High-Energy Physics },

year = { 2000 },

volume = { 486 },

pages = { 77-85 },

}