@Book{sitereport_96723,
 author = "勝田市教育委員会, ",
 title = "虎塚古墳",
 volume = "",
 publisher = "茨城県勝田市教育委員会",
 year = 1985,
 series = "",
 number = "",
 url = https://sitereports.nabunken.go.jp/96723,
 }