TY  - BOOK
AU  - Das, Apurba.
TI  - Line communication system: telecommunication switching approach: Telecommunication switching approach
SN  - 9788122430882
U1  - 621.382 DASA 
PY  - 2010///
CY  - New Delhi
PB  - New Age International Pvt Ltd
KW  - Communication Network Architecture
ER  -