@Book{sitereport_9219,
 author = "佐久市教育委員会, ",
 title = "藤塚遺跡",
 volume = "3",
 publisher = "佐久市教育委員会",
 year = 1997,
 series = "佐久市埋蔵文化財調査報告書",
 number = "50",
 url = https://sitereports.nabunken.go.jp/9219,
 }