Viswanathan, Thiagarajan.
Telecommunication Switching Systems and Networks - New Delhi. Prentice Hall of India. 2002 - xx+583p.,24X16Cms
81-203-0713-5
621.382 V822
Telecommunication Switching Systems and Networks - New Delhi. Prentice Hall of India. 2002 - xx+583p.,24X16Cms
81-203-0713-5
621.382 V822