@Book{sitereport_138505,
 author = "株式会社空間文化開発機構, ",
 title = "特別史跡五稜郭跡石垣診断調査委託整備指針報告書",
 volume = "",
 publisher = "函館市",
 year = 2017,
 series = "",
 number = "",
 url = https://sitereports.nabunken.go.jp/138505,
 }