@Book{sitereport_88177,
 author = "上田市教育委員会, ",
 title = "塩田城跡",
 volume = "第2次",
 publisher = "上田市教育委員会",
 year = 1977,
 series = "",
 number = "",
 url = https://sitereports.nabunken.go.jp/88177,
 }