TY  - BOOK
AU  - Frenzel, LouisE. 
TI  - Communication electronics: Principles and applications
SN  - 9780070483989
U1  - 621.382 
PY  - 2013///
CY  - New Delhi
PB  - Mcgraw hii
N1  - " It includes bibliographical references (p.523-532) and index"
ER  -