@Book{sitereport_18453,
 author = "鈴木, 美治",
 title = "二の宮貝塚 ・ 大日山古墳群 ・ 思川遺跡",
 volume = "",
 publisher = "財団法人茨城県教育財団",
 year = 1991,
 series = "茨城県教育財団文化財調査報告",
 number = "65",
 url = https://sitereports.nabunken.go.jp/18453,
 }