Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Ohta Masataka and Matumoto Kazuya and Koyama Tetsu and Okado Hiroshi,An Applicability Study of ADSL in Japanese Subscriber Lines,"IEEJ Transactions on Electronics, Information and Systems",03854221,The Institute of Electrical Engineers of Japan,1998,118,4,569-577,https://cir.nii.ac.jp/crid/1390282679584071808,https://doi.org/10.1541/ieejeiss1987.118.4_569