@Book{sitereport_101659,
 author = "群馬県教育委員会, ",
 title = "史跡天神山古墳外堀部発掘調査報告書",
 volume = "昭和45年",
 publisher = "群馬県教育委員会",
 year = 1971,
 series = "",
 number = "",
 url = https://sitereports.nabunken.go.jp/101659,
 }