@article{oai:nanzan-u.repo.nii.ac.jp:00000524,
 author = {坂井, 信三 and SAKAI, Shinzo},
 issue = {10},
 journal = {アカデミア. 人文・自然科学編, Academia. Humanities and natural sciences},
 month = {Jun},
 pages = {11--29},
 title = {ニジェール川中流域の国家形成と非形成},
 year = {2015},
 yomi = {サカイ, シンゾウ}
}