@Book{sitereport_91920,
 author = "留萌市教育委員会, ",
 title = "留萌市コタン浜遺跡調査報告書",
 volume = "",
 publisher = "留萌市教育委員会",
 year = 1973,
 series = "",
 number = "",
 url = https://sitereports.nabunken.go.jp/91920,
 }