@Book{sitereport_104433,
 author = "杉本城跡内やぐら発掘調査団, ",
 title = "杉本城跡内やぐら・宅間ケ谷やぐら群",
 volume = "",
 publisher = "杉本城跡内やぐら発掘調査団 and 宅間ケ谷やぐら群発掘調査団",
 year = 1991,
 series = "鎌倉市内急傾斜地崩壊対策事業に伴う発掘調査報告書",
 number = "平成元年度",
 url = https://sitereports.nabunken.go.jp/104433,
 }