TY  - BOOK
ED  -  Bell Communications Research, Inc.
ED  -  Bell Telephone Laboratories, inc.
TI  -  Telecommunications transmission engineering / 
SN  -  1878108034 (v. 3)
U1  -  621.382 TEL 
PY  - 1990///
CY  -  n.p. : 
PB  -  Bellcore, 
KW  -  Telecommunication
N1  -  Includes bibliographical references and index;  v. 1. Principles -- v. 2. Facilities -- v. 3. Networks and services
ER  -