Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) WAHO Takao,Ultrahigh-speed analog-to-digital converters using resonant-tunneling diodes,Oyo Buturi,03698009,The Japan Society of Applied Physics,2008-03-10,77,3,306-310,https://cir.nii.ac.jp/crid/1390001277358922112,https://doi.org/10.11470/oubutsu.77.3_306