Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) P. Bradley,A 6-bit Josephson flash A/D converter with GHz input bandwidth,IEEE Transactions on Applied Superconductivity,1051-8223,Institute of Electrical and Electronics Engineers (IEEE),1993-03,3,1,2550-2557,https://cir.nii.ac.jp/crid/1360016867955887744,https://doi.org/10.1109/77.233533