@Book{sitereport_98163,
 author = "山形県, ",
 title = "飛島の研究",
 volume = "",
 publisher = "山形県",
 year = 1935,
 series = "史蹟名勝天然紀念物調査報告",
 number = "7",
 url = https://sitereports.nabunken.go.jp/98163,
 }