TY  - BOOK
AU  - Alencar,Marcelo S.
AU  - Da Rocha,Valdemar C  .
TI  - Communication systems / 
SN  - 9788181287168
U1  - 621.382 
PY  - 2007///
CY  - New Delhi : 
PB  - Springer (India) , 
KW  - COMMUNICATION SYSTEMS
N1  - Includes index
ER  -