@Book{sitereport_120630,
 author = "山形考古友の会, ",
 title = "山形考古",
 volume = "4-2 (通巻20)",
 publisher = "山形考古友の会",
 year = 1988,
 series = "",
 number = "",
 url = https://sitereports.nabunken.go.jp/120630,
 }