@Book{sitereport_89221, author = "下澤, 公明", title = "山之城古墳群", volume = "", publisher = "北房町教育委員会", year = 1987, series = "北房町埋蔵文化財発掘調査報告", number = "6", url = https://sitereports.nabunken.go.jp/89221, }