@Book{sitereport_91193,
 author = "三井, 猛 and 山口, 憲一",
 title = "善光寺遺跡内直牒洞",
 volume = "",
 publisher = "常陸太田市教育委員会",
 year = 2021,
 series = "常陸太田市内遺跡調査報告書",
 number = "16",
 url = https://sitereports.nabunken.go.jp/91193,
 }