@Book{sitereport_11478,
 author = "齋藤, 武士",
 title = "茨城県筑西市海老ヶ島城跡",
 volume = "",
 publisher = "筑西市教育委員会 and 地域文化財コンサルタント",
 year = 2006,
 series = "筑西市埋蔵文化財調査報告書",
 number = "3",
 url = https://sitereports.nabunken.go.jp/11478,
 }