@Book{sitereport_28985, author = "徳江, 秀夫", title = "綿貫観音山古墳", volume = "1 : 墳丘・埴輪編", publisher = "財団法人群馬県埋蔵文化財調査事業団", year = 1998, series = "群馬県埋蔵文化財調査事業団調査報告", number = "242", url = https://sitereports.nabunken.go.jp/28985, }