@Book{sitereport_20,
 author = "佐久市教育委員会, ",
 title = "一本柳遺跡群　西一本柳遺跡V・VI　中長塚遺跡I・II　松の木遺跡I・II",
 volume = "",
 publisher = "佐久市教育委員会",
 year = 2001,
 series = "佐久市埋蔵文化財調査報告書",
 number = "91",
 url = https://sitereports.nabunken.go.jp/20,
 }