@techreport{weko_31851_1,
   author	 = "中野,眞一 and 宇野,毅明",
   title	 = "色付き木の列挙",
   year 	 = "2004",
   institution	 = "群馬大学, 国立情報学研究所",
   number	 = "52(2004-AL-095)",
   month	 = "may"
}