@Book{sitereport_90033,
 author = "福島県, ",
 title = "沼沢火山調査報告書",
 volume = "",
 publisher = "福島県",
 year = 1930,
 series = "史蹟名勝天然紀念物調査報告",
 number = "6",
 url = https://sitereports.nabunken.go.jp/90033,
 }