TY  - BOOK
AU  - Rekha,CH Kranthi
TI  - Digital communications / 
SN  - 9788183710930
U1  - 621.382 
PY  - 2003///
CY  - Chennai : 
PB  - Scitech Publications (India) , 
KW  - DIGITAL COMMUNICATIONS
N1  - Includes appendicex
ER  -