@Book{sitereport_990,
 author = "佐久市教育委員会, ",
 title = "長土呂遺跡群　聖原",
 volume = "3",
 publisher = "佐久市教育委員会",
 year = 2004,
 series = "佐久市埋蔵文化財調査報告書",
 number = "115",
 url = https://sitereports.nabunken.go.jp/990,
 }