@article{weko_12496_1,
   author	 = "土井,晃一",
   title	 = "要求獲得オフライン法での質的要求の抽出法",
   journal	 = "情報処理学会論文誌",
   year 	 = "1999",
   volume	 = "40",
   number	 = "11",
   pages	 = "4012--4020",
   month	 = "nov"
}