Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI)
NAWA Kotaro,Centralized calculations by a punch card system half a century ago,Journal of Information Processing and Management,00217298,Japan Science and Technology Agency,2011,54,2,97-99,https://cir.nii.ac.jp/crid/1390282680484565376,https://doi.org/10.1241/johokanri.54.97