@article{oai:tohoku-gakuin.repo.nii.ac.jp:00021556,
 author = {大石, 直正 and OOISHI NAOMASA},
 journal = {六軒丁中世史研究},
 month = {Nov},
 pages = {1--16},
 title = {奥州藤原氏の北奥開発},
 volume = {5},
 year = {1997},
 yomi = {オオイシ, ナオマサ}
}