@Book{sitereport_82904,
 author = "那珂川町教育委員会, ",
 title = "観音堂遺跡群",
 volume = "1",
 publisher = "那珂川町教育委員会",
 year = 1989,
 series = "那珂川町文化財調査報告書",
 number = "20",
 url = https://sitereports.nabunken.go.jp/82904,
 }