TY  - GEN
AU  - Frenzel, Louis E.
TI  - Principles of electronic communication systems
SN  - 9780073107042
U1  - 621.382 
PY  - 2008///
CY  - Boston
PB  - McGraw-Hill
KW  - WIRELESS COMMUNICATION SYSTEMS-TEXTBOOKS
KW  - TELECOMMUNICATIONS-TEXTBOOKS
ER  -