@techreport{weko_31372_1,
   author	 = "Hiroshi,Nakagawa",
   title	 = "Prolog Program Transformation of Tree Manipulation Algorithm",
   year 	 = "1984",
   institution	 = "Department of Information Engineering Yokohama National University",
   number	 = "55(1984-PRO-011)",
   month	 = "dec"
}