@Book{sitereport_115660,
 author = "鶴見, 貞雄 and 佐久間, 秀樹",
 title = "国指定史跡大宝城跡発掘調査報告書（第31次調査）",
 volume = "",
 publisher = "下妻市教育委員会",
 year = 2001,
 series = "",
 number = "",
 url = https://sitereports.nabunken.go.jp/115660,
 }