@article{oai:repository.dl.itc.u-tokyo.ac.jp:02000353,
 author = {石川, 博康 and ISHIKAWA, Hiroyasu},
 issue = {1},
 journal = {社會科學研究, Journal of Social Science},
 month = {Mar},
 note = {特集　新型コロナウイルス感染症（COVID-19）への対応と社会科学, 第一部, Featured Theme：Social Sciences Responding to COVID-19, Part 1},
 pages = {29--39},
 title = {パンデミックによる事情変更と契約の改訂},
 volume = {72},
 year = {2021}
}