@Book{sitereport_12401,
 author = "乗岡, 実",
 title = "岡山城内堀　",
 volume = "",
 publisher = "岡山市教育委員会",
 year = 1998,
 series = "",
 number = "",
 url = https://sitereports.nabunken.go.jp/12401,
 }