@Article{ GÓMEZ_NIEVES_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 },

year = { 2004 },

volume = { 69 },

issn = { 1550-7998 },

pages = { None-None },

}