@Book{sitereport_88172,
 author = "佐久市教育委員会, ",
 title = "白岩城跡(里古城)",
 volume = "",
 publisher = "佐久市教育委員会",
 year = 1989,
 series = "",
 number = "",
 url = https://sitereports.nabunken.go.jp/88172,
 }