@Book{sitereport_97022, author = "土浦市教育委員会, ", title = "下郷古墳発掘調査報告書", volume = "", publisher = "土浦市教育委員会 and 下郷古墳発掘調査会", year = 1981, series = "", number = "", url = https://sitereports.nabunken.go.jp/97022, }