@techreport{weko_22780_1,
   author	 = "宮本勲",
   title	 = "ソフトウェア生産技術の動向",
   year 	 = "1977",
   institution	 = "日本電気（株）公共システム事業部",
   number	 = "13(1977-SE-002)",
   month	 = "jul"
}