@Book{sitereport_15404,
 author = "大川, 清",
 title = "茨城県笠間市うら山古墳・石井台平安時代集落跡調査研究報告書",
 volume = "",
 publisher = "笠間市教育委員会",
 year = 1972,
 series = "",
 number = "",
 url = https://sitereports.nabunken.go.jp/15404,
 }