@Book{sitereport_51553,
 author = "小川, 和博",
 title = "日立市河原子古墳群第2次発掘調査報告書",
 volume = "",
 publisher = "日立市教育委員会",
 year = 2007,
 series = "日立市文化財調査報告",
 number = "75",
 url = https://sitereports.nabunken.go.jp/51553,
 }