@Book{sitereport_96934, author = "瓦吹 堅, and 北茨城市教育委員会, ", title = "糠塚", volume = "", publisher = "北茨城市教育委員会", year = 1975, series = "北茨城市文化財調査報告", number = "1", url = https://sitereports.nabunken.go.jp/96934, }