@Book{sitereport_132922,
 author = "函館市教育委員会, ",
 title = "特別史跡五稜郭跡保存整備基本計画",
 volume = "",
 publisher = "函館市教育委員会",
 year = 1991,
 series = "",
 number = "",
 url = https://sitereports.nabunken.go.jp/132922,
 }