@Book{sitereport_616,
 author = "小林, 眞寿",
 title = "金井城跡",
 volume = "3",
 publisher = "佐久市教育委員会",
 year = 1993,
 series = "佐久市埋蔵文化財調査報告書",
 number = "21",
 url = https://sitereports.nabunken.go.jp/616,
 }