@Book{sitereport_13001,
 author = "出宮, 徳尚 and 草原, 孝典 and 木村, 真紀",
 title = "長坂古墳群",
 volume = "",
 publisher = "岡山市教育委員会",
 year = 1999,
 series = "",
 number = "",
 url = https://sitereports.nabunken.go.jp/13001,
 }