@BOOK{ Book!D - 103937311, AUTHOR = "Summers, Charles K.", TITLE = "ADSL", LIBRARY= "کتابخانه مرکزی و مرکز اسناد دانشگاه اصفهان", SUBJECT = "Data transmission systems ► Telecommunications- Standards ► Moderns ► Telephone switching systems, Electronic", URL = "/book/103937311/ADSL/"}