TY  - BOOK
AU  - Carne, E. Bryan
TI  - Telecommunications Primer Signals Building Blocks and Networks 
SN  - 0134904265
U1  - 621.382 
PY  - 1995///
CY  - New Jersey : 
PB  - Prentice-Hall, 
KW  - Telecommunications
N1  - NY
UR  - https://eaklibrary.neduet.edu.pk:8443/catalog/bk/books/toc/0-13-490426-5.pdf
ER  -