Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Sato Jin-ichi,A Proposal on the Continuous Measurement of Audio Frequency Transmission Characteristics,The Journal of the Institute of Television Engineers of Japan,03866831,The Institute of Image Information and Television Engineers,1980,34,3,246-247,https://cir.nii.ac.jp/crid/1390282680043236736,https://doi.org/10.3169/itej1978.34.246