@Book{sitereport_91291,
 author = "山下, 誠一",
 title = "飯田城城跡",
 volume = "2020",
 publisher = "飯田市教育委員会",
 year = 2020,
 series = "",
 number = "",
 url = https://sitereports.nabunken.go.jp/91291,
 }