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Dyfyniad Arddull ChicagoSharma, N. Fibre Optics in Telecommunications. New Delhi: Tata Mc graww-hill publoishing company limited, 1987.
Dyfyniad MLASharma, N. Fibre Optics in Telecommunications. Tata Mc graww-hill publoishing company limited, 1987.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.