@Book{sitereport_132880,
 author = "元木, 省吾",
 title = "五稜郭築城から百年",
 volume = "",
 publisher = "函館市教育委員会",
 year = 1964,
 series = "",
 number = "",
 url = https://sitereports.nabunken.go.jp/132880,
 }