@phdthesis{oai:tsukuba.repo.nii.ac.jp:00047071,
 author = {羽田, 司 and HATA, Tsukasa},
 month = {},
 note = {2017, この博士論文は内容の要約のみの公開（または一部非公開）になっています},
 school = {筑波大学, University of Tsukuba},
 title = {A Geographical Study on the Variety Renewal Process of Fruit Production Areas in Japan and Brazil},
 year = {2018}
}