TY  - BOOK
AU  -  Frenzel Jr, Louis
TI  - Principles of Electronic Communication Systems 
SN  - 9780073373850
U1  - 621.382 
PY  - 2016///
CY  - New York
PB  - Mc Graw Hill
KW  - Electrical Engineering
N1  - includes: Glossary and Index
ER  -