@techreport{weko_36102_1,
   author	 = "安田,洋史",
   title	 = "分散交換システムにおける　多元呼ルーチング方式の一検討",
   year 	 = "1990",
   institution	 = "NTT交換システム研究所",
   number	 = "45(1990-DPS-045)",
   month	 = "may"
}