@Book{sitereport_60870,
 author = "柏木, 一男",
 title = "芝宮古墳群 : (富岡20号・21号・98号古墳)",
 volume = "",
 publisher = "富岡市埋蔵文化財発掘調査委員会",
 year = 1997,
 series = "",
 number = "",
 url = https://sitereports.nabunken.go.jp/60870,
 }