@Article{ NIEVES_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 },

issn = { 0370-2693 },

pages = { 77-85 },

}