@article{weko_12891_1,
   author	 = "Kaoru,Takahashi and Kana,Sugawara and Toshihiko,Ando and Yasushi,Kato and Norio,Shiratori",
   title	 = "Specification of a Concurrent System Based on Propositional Logic",
   journal	 = "情報処理学会論文誌",
   year 	 = "1999",
   volume	 = "40",
   number	 = "1",
   pages	 = "322--332",
   month	 = "jan"
}