@article{weko_59714_1,
   author	 = "Yoshihide,Igarashi and Derick,Wood",
   title	 = "Roughly Sorting: A Generalization of Sorting",
   journal	 = "Journal of Information Processing ",
   year 	 = "1991",
   volume	 = "14",
   number	 = "1",
   pages	 = "36--42",
   month	 = "mar"
}