@article{oai:ksu.repo.nii.ac.jp:00004445,
 author = {久保, 宏之 and Kubo, Hiroyuki},
 issue = {1/2},
 journal = {産大法学, Sandai law review},
 month = {Jul},
 note = {4, KJ00000367615, P},
 pages = {91--129},
 title = {事情変更の原則覚書},
 volume = {21},
 year = {1987},
 yomi = {クボ, ヒロユキ}
}