@article{oai:ksu.repo.nii.ac.jp:00009797,
 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, KJ00000214478, P},
 pages = {1--23},
 title = {Inference within Knowledge},
 volume = {29},
 year = {1999}
}