@article{weko_60240_1,
   author	 = "Saio,Sai and Nobuo,Yumoto and Takeji,Kitamura",
   title	 = "The Area Traffic Control System And Its Constant Establishment",
   journal	 = "Information Processing in Japan",
   year 	 = "1971",
   volume	 = "11",
   number	 = "0",
   pages	 = "224--232",
   month	 = "jan"
}