@Book{sitereport_59514,
 author = "北川, 貴洋",
 title = "観音堂遺跡群",
 volume = "3",
 publisher = "那珂川町教育委員会",
 year = 2016,
 series = "那珂川町文化財調査報告書",
 number = "93",
 url = https://sitereports.nabunken.go.jp/59514,
 }