@phdthesis{oai:ynu.repo.nii.ac.jp:00011281,
 author = {久井, 裕介},
 month = {Mar},
 school = {横浜国立大学},
 title = {秒の再定義に向けたYb/Sr時計遷移周波数比の測定},
 year = {2021}
}