@article{oai:ynu.repo.nii.ac.jp:00011466,
 author = {Kamahara, Yuta and Wada  Junichiro and Kasuya  Yuko},
 journal = {Electoral Studies},
 month = {Mar},
 title = {Malapportionment in space and time: Decompose it!},
 volume = {71},
 year = {2021}
}