@article{weko_59742_1,
   author	 = "Michio,Oyamaguchi",
   title	 = "The Reachability and Joinability Problems for Right-Ground Term-Rewriting Systems",
   journal	 = "Journal of Information Processing ",
   year 	 = "1990",
   volume	 = "13",
   number	 = "3",
   pages	 = "347--354",
   month	 = "nov"
}