@article{weko_59775_1,
   author	 = "Nobuyoshi,Miyazaki and Kazumasa,Yokota and Hiromi,Haniuda and Hidetnori,Itoh",
   title	 = "Horn Clause Transformation by Restrictor in Deductive Databases",
   journal	 = "Journal of Information Processing ",
   year 	 = "1989",
   volume	 = "12",
   number	 = "3",
   pages	 = "266--279",
   month	 = "dec"
}