@Book{sitereport_11863,
 author = "大関, 武",
 title = "二重堀遺跡",
 volume = "",
 publisher = "財団法人茨城県教育財団",
 year = 2008,
 series = "茨城県教育財団文化財調査報告",
 number = "297",
 url = https://sitereports.nabunken.go.jp/11863,
 }