@Book{sitereport_132718,
 author = "岡山, 亮子",
 title = "千葉県南房総市史跡里見氏城跡岡本城跡保存活用計画書",
 volume = "",
 publisher = "南房総市教育委員会",
 year = 2019,
 series = "",
 number = "",
 url = https://sitereports.nabunken.go.jp/132718,
 }