@Book{sitereport_18449,
 author = "財団法人茨城県教育財団, ",
 title = "桜山古墳",
 volume = "",
 publisher = "財団法人茨城県教育財団",
 year = 1990,
 series = "茨城県教育財団文化財調査報告",
 number = "61",
 url = https://sitereports.nabunken.go.jp/18449,
 }