@Book{sitereport_38657,
 author = "北澤, 卓哉",
 title = "池島遺跡・観音山23号墳",
 volume = "",
 publisher = "上越市教育委員会",
 year = 2009,
 series = "",
 number = "",
 url = https://sitereports.nabunken.go.jp/38657,
 }