@Book{sitereport_12016,
 author = "石川, 義信 and 早川, 麗司",
 title = "向原遺跡　小組遺跡　上加賀田城跡",
 volume = "16",
 publisher = "財団法人茨城県教育財団",
 year = 2007,
 series = "茨城県教育財団文化財調査報告",
 number = "272",
 url = https://sitereports.nabunken.go.jp/12016,
 }