TY  - BOOK
AU  - Frenzel, Louis E
TI  - Principles of electronic communication systems
SN  - 9780078281310
SN  - 96030979
U1  - 621.382 FRE 
PY  - 2003///
CY  - New York
PB  - Glencoe/McGraw Hill
KW  - Telecommunication
N1  - Includes index
ER  -