@article{weko_60023_1,
   author	 = "Akinori,Yonezawa",
   title	 = "Comments on Monitors and Path-Expressions",
   journal	 = "Journal of Information Processing ",
   year 	 = "1979",
   volume	 = "1",
   number	 = "4",
   pages	 = "180--186",
   month	 = "feb"
}