Bugaev, K. A.K. A.Bugaev楊信男Lee, T. S. H.T. S. H.LeeYang, Shin-NanShin-NanYang2009-01-232018-06-282009-01-232018-06-281994http://ntur.lib.ntu.edu.tw//handle/246246/110937en-USRoper Resonance and πN Scattering in P11 Channelconference paper