@Book{sitereport_33688,
 author = "佐伯, 治",
 title = "史跡岡城跡　",
 volume = "6",
 publisher = "竹田市教育委員会",
 year = 1991,
 series = "史跡岡城跡",
 number = "6",
 url = https://sitereports.nabunken.go.jp/33688,
 }