@Book{sitereport_231,
 author = "小渕, 武一 and 花岡, 弘",
 title = "関口A・関口B(第2次)・柏原遺跡群下柏原",
 volume = "",
 publisher = "東信土地改良事務所",
 year = 1991,
 series = "小諸市埋蔵文化財発掘調査報告書",
 number = "15",
 url = https://sitereports.nabunken.go.jp/231,
 }