@Book{sitereport_91577,
 author = "桐谷, 優",
 title = "大塚遺跡群　宿割遺跡",
 volume = "",
 publisher = "群馬県吾妻郡中之条町教育委員会",
 year = 1986,
 series = "中之条町教育委員会発掘報告書",
 number = "6",
 url = https://sitereports.nabunken.go.jp/91577,
 }