Telecommunication switching systems and networks
Viswanathan, Thiagarajan
Telecommunication switching systems and networks - Prentice Hall of India Pvt. Ltd., New Delhi 2012 - 583
2736
Automatic and semiautomatic switching systems
621.3857 VIS-T
Telecommunication switching systems and networks - Prentice Hall of India Pvt. Ltd., New Delhi 2012 - 583
2736
Automatic and semiautomatic switching systems
621.3857 VIS-T