@Book{sitereport_58939,
 author = "川述, 昭人",
 title = "上長延古墳群",
 volume = "",
 publisher = "広川町教育委員会",
 year = 1985,
 series = "広川町文化財調査報告書",
 number = "4",
 url = https://sitereports.nabunken.go.jp/58939,
 }