@Book{sitereport_4102, author = "笛吹市教育委員会, ", title = "山梨県最大の方墳、竜塚の謎に迫る 記録集", volume = "", publisher = "笛吹市教育委員会", year = 2011, series = "笛吹市文化財調査報告書", number = "19", url = https://sitereports.nabunken.go.jp/4102, }