@article{weko_17326_1,
   author	 = "Pujianto,Yugopuspito and Keijiro,Araki",
   title	 = "Transformational Object - Relational Database Model in Formal Methods",
   journal	 = "情報処理学会論文誌数理モデル化と応用（TOM）",
   year 	 = "2001",
   volume	 = "42",
   number	 = "SIG05(TOM4)",
   pages	 = "71--80",
   month	 = "may"
}