@techreport{weko_39947_1,
   author	 = "定方,希夫",
   title	 = "交通管制システムの現状と動向",
   year 	 = "1987",
   institution	 = "九州東海大学工学部",
   number	 = "49(1987-IS-015)",
   month	 = "jul"
}