@Book{sitereport_31199,
 author = "杉江, 敬",
 title = "千葉県館山市九ノ坪横穴墓群",
 volume = "",
 publisher = "総南文化財センター",
 year = 1997,
 series = "総南文化財センター調査報告",
 number = "36",
 url = https://sitereports.nabunken.go.jp/31199,
 }