Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Ogawa Koichi,Emergence and development of the optical disk industry,Akamon Management Review,1348-5504,Global Business Research Center,2006,5,3,97-170,https://cir.nii.ac.jp/crid/1390001205759255936,https://doi.org/10.14955/amr.050302