Viswanathan, T. (1992). Telecommunication switching systems and networks. Prentice Hall of India.
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Chicago-čujuhus (17. p.)
Viswanathan, Thiagarajan. Telecommunication Switching Systems and Networks. New Delhi: Prentice Hall of India, 1992.
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MLA-čujuhus (9. p.)
Viswanathan, Thiagarajan. Telecommunication Switching Systems and Networks. Prentice Hall of India, 1992.
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