TY  - BOOK
AU  - Frenzel,L.E.
TI  - Principles of electronic communication systems 
SN  - 9780073107042
AV  - TK5101.F6 2008 
PY  - 2008///
CY  - New york
PB  - McGraw-Hill
KW  - Telecommunication
KW  - Textbooks
KW  - Wireless communication systems
N1  - Includes index
ER  -