TY  - BOOK
AU  - Roddy, Dennis
AU  - Coolen, John
TI  - Electronic Communications 
SN  - 8120309847
U1  - 621.382 
PY  - 1995///
CY  - New Delhi : 
PB  - Prentice-Hall of India, 
KW  - Telecommunications
N1  - NY
UR  - https://eaklibrary.neduet.edu.pk:8443/catalog/bk/books/toc/81-203-0984-7.pdf
ER  -