@Book{sitereport_10521,
 author = "玉井, 輝男 and 滝坂, 滋",
 title = "関城跡",
 volume = "",
 publisher = "関城町教育委員会",
 year = 2001,
 series = "茨城県真壁郡関城町埋蔵文化財調査報告",
 number = "",
 url = https://sitereports.nabunken.go.jp/10521,
 }