@Book{sitereport_138506,
 author = "函館市教育委員会, ",
 title = "重要文化財旧函館区公会堂保存活用計画",
 volume = "",
 publisher = "函館市教育委員会",
 year = 2017,
 series = "",
 number = "",
 url = https://sitereports.nabunken.go.jp/138506,
 }