@techreport{weko_61890_1,
   author	 = "白鳥,則郎 and 菅沼,拓夫",
   title	 = "共生型ITSへ向けた一考察 －2025年 Symbiotic Society－",
   year 	 = "2009",
   institution	 = "東北大, 東北大",
   number	 = "24(2009-ITS-36)",
   month	 = "feb"
}