@article{weko_60192_1,
   author	 = "Ryosuke,Hotaka",
   title	 = "On Some Problems of Online Data Base Systems",
   journal	 = "Information Processing in Japan",
   year 	 = "1972",
   volume	 = "12",
   number	 = "0",
   pages	 = "34--39",
   month	 = "jan"
}