TY  - BOOK
AU  - Freeman, Roger L.
TI  - Fundamentals of Telecommunications 
SN  - 0471296996
U1  - 621.382 
PY  - 1999///
CY  - New York : 
PB  - Wiley Interscience, 
KW  - Telecommunications
N1  - NY
UR  - https://eaklibrary.neduet.edu.pk:8443/catalog/bk/books/toc/0-471-29699-6.pdf
ER  -