@misc{oai:tsukuba.repo.nii.ac.jp:00047053,
 author = {五十石, 俊祐},
 month = {},
 note = {2017},
 title = {一次通勤圏で高齢単身・夫婦世帯による持ち家の賃貸活用が進む可能性},
 year = {2018}
}