Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Keizo Namba,Application of Aluminum Honeycomb Sandwiches and Extrusions in a Convertible-2-Production of a Platform,住友軽金属技報 = Sumitomo light metal technical reports,00394963,名古屋 : 住友軽金属工業研究開発センター,1987-10,28,4,p172-180,https://cir.nii.ac.jp/crid/1520573330120515200,