@article{weko_59832_1,
   author	 = "George,Kimura and Yoshitaka,Takahashi",
   title	 = "An Approximation for a Token Ring System with Priority Classes of Messages",
   journal	 = "Journal of Information Processing ",
   year 	 = "1987",
   volume	 = "10",
   number	 = "2",
   pages	 = "86--90",
   month	 = "sep"
}