TY  - GEN
AU  - Das, J  
TI  - Review of digital communication: state of the art in digital signalling, digital switching, and data networks /  
SN  - 9788122434118
AV  -  TK5103.7 .D38 2013  
PY  - 2013///
CY  - New Delhi
PB  - New Age International Publishers
KW  - Digital communications
N1  -  Includes bibliographies and index
ER  -