@article{oai:ipsj.ixsq.nii.ac.jp:00007063,
 author = {清野, 武 and Kiyono, Takeshi},
 issue = {8},
 journal = {情報処理},
 month = {Aug},
 title = {情報学における真と偽},
 volume = {19},
 year = {1978}
}