@techreport{oai:tsukuba.repo.nii.ac.jp:00037092,
 author = {五十石, 俊祐 and ISOISHI, Shunsuke and 石井, 儀光 and ISHI, Norimitsu},
 month = {Feb},
 title = {一次通勤圏で高齢単身・夫婦世帯の持ち家の賃貸活用が進む可能性},
 year = {2016}
}