TY  - BOOK
AU  - Thiagarajan Viswanathan and Manav Bhatnagar
TI  - Telecommunication switching systems and networks
SN  - 9788120350830
AV  - TK5102.V5 2015 
PY  - 2015///
CY  - Delhi
PB  - PH/Learning private ltd
KW  - Telecommunication - switching systems - data processing
KW  - Telephone switching systems
KW  - Software engineering
ER  -