@Book{sitereport_42911,
 author = "大島, 慎一",
 title = "史跡小田原城跡二の丸中堀I",
 volume = "",
 publisher = "小田原市教育委員会",
 year = 1993,
 series = "小田原市文化財調査報告書",
 number = "45",
 url = https://sitereports.nabunken.go.jp/42911,
 }