Telecommunication Switching Systems ... - Google Book Search [http://books.google.co.in/books?id=ghCiNHzWvL4C&pg=PP1&dq=Thiagarajan+Viswanathan#PPA184,M1] - 2009-03-23 15:36:59 - public:npranothi ssm, switching - 2 | id:50668 -
