@incollection{weko_44767_1,
   author	 = "野田,容助 and 黒子,正人",
   title	 = "はしがき",
   booktitle	 = "貿易指数と貿易構造の変化",
   publisher	 = "日本貿易振興機構アジア経済研究所/Institute of Developing Economies　(IDE-JETRO)　",
   year 	 = "2009",
   volume	 = "",
   number	 = "",
   pages	 = "i--ii"
}