TY  - GEN
AU  - THIAGARAJAN VISWANATHAN
AU  - MANAV BHATNAGAR
TI  - TELECOMMUNICATION SWITCHING SYSTEMS AND NETWORKS
SN  - 9788120350830
U1  - 621.38216/VIS/TEL 
PB  - PHI LEARNING PRIVATE LIMITED
KW  - 600 Technology
KW  - 620 Engineering
KW  - 621 Applied physics
KW  - TECHNOLOGY
ER  -