@Book{sitereport_410,
 author = "佐久市教育委員会, ",
 title = "戸坂遺跡群四ツ塚遺跡",
 volume = "1",
 publisher = "佐久市教育委員会",
 year = 2000,
 series = "佐久市埋蔵文化財調査報告書",
 number = "79",
 url = https://sitereports.nabunken.go.jp/410,
 }