Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) UMEMIYA Hiromitsu,Tubular Steel Chairs madcf in Japan in the 1930's : YSY and SSS brands,"Summaries of technical papers of Annual Meeting Architectural Institute of Japan. F-2, History and theory of architecture",13414542,Architectural Institute of Japan,1999-07-30,,1999,423-424,https://cir.nii.ac.jp/crid/1574231876684730112,