@Book{sitereport_96820,
 author = "茨城県教育委員会, ",
 title = "土浦市烏山遺跡群",
 volume = "",
 publisher = "茨城県住宅供給公社",
 year = 1975,
 series = "",
 number = "",
 url = https://sitereports.nabunken.go.jp/96820,
 }