Burd, Nick. The ISDN subscriber loop / Nick Burd. - 1st ed. - London ; New York : Chapman & Hall, 1997. - xiii, 475 p. : ill. ; 24 cm. - Telecommunications technology and applications series ; 5 . Includes bibliographical referencesp. (p. [447]) and index. ISBN: 0412497301 LCCN: 97066166 Subjects--Topical Terms: Integrated services digital networks. LC Class. No.: TK5103.75 / .B87 1997 Dewey Class. No.: 621.382