@techreport{weko_21716_1,
   author	 = "西橋,幹俊",
   title	 = "ソフトウェア開発クリーンルーム手法の方法論",
   year 	 = "1998",
   institution	 = "日本アイ・ビー・エム（株）",
   number	 = "20(1997-SE-118)",
   month	 = "mar"
}