Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) NAKAMATSU K.,Defeasible Reasoning Between Conflicting Agents Based on VALPSN,"Proc. AAAI Workshop Agents' Conflicts, 1999",,AAAI Press,1999,,,,https://cir.nii.ac.jp/crid/1574231874914505984,