@Book{sitereport_618,
 author = "小笠原, 正",
 title = "銀杏木・宮原遺跡",
 volume = "",
 publisher = "上田市教育委員会",
 year = 1999,
 series = "上田市文化財調査報告書",
 number = "78",
 url = https://sitereports.nabunken.go.jp/618,
 }