TY  - BOOK
AU  - Frenzel, Louis Jr. E.
TI  - Principles of electronic communication systems
SN  - 9780071283878
AV  - TK 5101 .F74 2009  
PY  - 2008///
CY  - Boston, Massachusetts
PB  - McGraw Hill Education
KW  - TELECOMMUNICATION -- TEXTBOOKS
N1  - Includes index
ER  -