@article{oai:ksu.repo.nii.ac.jp:00009801,
 author = {ODA, Sobei H. and ODA, Sobei H. and YASUGI, Mariko and YASUGI, Mariko},
 journal = {Discussion paper series, Discussion paper series},
 month = {Oct},
 note = {1, KJ00000214476, P},
 pages = {1--22},
 title = {Inference within Knowledge},
 volume = {27},
 year = {1998}
}