@Book{sitereport_230,
 author = "飯山市教育委員会, ",
 title = "北原遺跡",
 volume = "3",
 publisher = "飯山市教育委員会",
 year = 1981,
 series = "飯山市埋蔵文化財調査報告",
 number = "6",
 url = https://sitereports.nabunken.go.jp/230,
 }