@Book{sitereport_115508,
 author = "大井, 隆男 and 木内, 寛 and 本沢, 慎輔 and 森泉, かよ子",
 title = "大井城",
 volume = "",
 publisher = "佐久市教育委員会",
 year = 1984,
 series = "",
 number = "",
 url = https://sitereports.nabunken.go.jp/115508,
 }