@Book{sitereport_109113,
 author = "銚子市教育委員会, ",
 title = "銚子市余山貝塚発掘調査報告書",
 volume = "",
 publisher = "銚子市教育委員会",
 year = 1990,
 series = "",
 number = "",
 url = https://sitereports.nabunken.go.jp/109113,
 }