Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) 松田 亮一 and 高橋 恒松,入出力端末の動向,Journal of the Japan Society of Precision Engineering,03743543,The Japan Society for Precision Engineering,1981,47,7,785-792,https://cir.nii.ac.jp/crid/1390282679708436992,https://doi.org/10.2493/jjspe1933.47.785