@Book{sitereport_69984,
 author = "久保, 浩一郎",
 title = "道常遺跡",
 volume = "3",
 publisher = "佐久市教育委員会",
 year = 2018,
 series = "佐久市埋蔵文化財調査報告書",
 number = "257",
 url = https://sitereports.nabunken.go.jp/69984,
 }