@article{oai:ipsj.ixsq.nii.ac.jp:00142366,
 author = {岩間, 司 and IWAMA, Tsukasa},
 issue = {7},
 journal = {情報処理},
 month = {Jun},
 pages = {624--625},
 title = {うるう秒とは何か},
 volume = {56},
 year = {2015}
}