@Book{sitereport_12250,
 author = "関口, 満 and 橋場, 君男",
 title = "井戸山遺跡確認調査報告書",
 volume = "",
 publisher = "土浦市教育委員会",
 year = 1991,
 series = "",
 number = "",
 url = https://sitereports.nabunken.go.jp/12250,
 }