@Book{sitereport_48,
 author = "上原, 学",
 title = "平馬塚遺跡",
 volume = "1",
 publisher = "佐久市教育委員会",
 year = 2005,
 series = "佐久市埋蔵文化財調査報告書",
 number = "130",
 url = https://sitereports.nabunken.go.jp/48,
 }