TY  - BOOK
AU  - Das, J
AU  - Chatterjee,P.K
AU  - Mallick, S.K
TI  - Principles of digital communications 
SN  - 0-85226-150-0
U1  - 621.382 
PY  - 1999///
CY  - New Delhi
PB  - New Age International
KW  - Digital communications
KW  - Communication
N1  - Includes index
ER  -